C# .NET - problem in date

Asked By Ranjit on 24-Aug-11 06:16 AM
i have a source code wher i used javascript,it is working but there are 2 textbox where i want to display date from calender. But it is picking date from one place and showing into one textbox. i want to display in both, the code is:-
 
<%@ Page Language="C#" MasterPageFile="~/User/User.Master" AutoEventWireup="true" CodeBehind="PurchaseInvoice.aspx.cs" Inherits="TotalAccounts.User.WebForm1" Title="Untitled Page" %>
<asp:Content ID="Content1" ContentPlaceHolderID="ContentPlaceHolder1" runat="server">
<script language="javascript" type="text/javascript" src="datetimepicker.js">


</script>

    <table style="width: 99%">
      <tr>
        <td>
           </td>
        <td style="width: 127px">
          <asp:Label ID="Label1" runat="server" Text="Invoice No"></asp:Label>
        </td>
        <td style="width: 127px">
          <asp:TextBox ID="TextBox9" runat="server"></asp:TextBox>
        </td>
        <td style="width: 127px">
           </td>
        <td style="width: 127px">
          <asp:Label ID="Label2" runat="server" Text="Date"></asp:Label>
        </td>
        <td style="width: 153px">
          <input id="demo2" type="text" size="20"><a href="javascript:NewCal('[textbox id],[date format],[show time in calendar?],[time mode (12,24)?]','ddmmmyyyy',true,12)"><img src="images/cal.gif" width="16" height="16" border="0" alt="Pick a date"></a>
         <%-- <input id="NewCal1([textbox id],[date format],[show time in calendar?],[time mode (12,24)?])"
            type="text2" size="20"><a href="javascript:NewCal('NewCal([textbox id],[date format],[show time in calendar?],[time mode (12,24)?])','ddmmyyyy')">
          
          
            <img src="cal.gif" width="16" height="16" border="0" alt="Pick a date"></a>--%>
        </td>
        <td>
           </td>
        <td colspan="6" rowspan="19" valign="top">
          <asp:ListBox ID="ListBox1" runat="server" Height="356px" Width="169px">
          </asp:ListBox>
        </td>
        <td>
           </td>
        <td>
           </td>
      </tr>
      <tr>
        <td>
           </td>
        <td style="width: 127px">
          <asp:Label ID="Label4" runat="server" Text="Purchase Order No"></asp:Label>
        </td>
        <td style="width: 127px">
          <asp:TextBox ID="TextBox10" runat="server"></asp:TextBox>
        </td>
        <td style="width: 127px">
           </td>
        <td style="width: 127px">
          <asp:Label ID="Label3" runat="server" Text="Date"></asp:Label>
        </td>
        <td style="width: 153px">
         
          <input id="NewCal([textbox id],[date format],[show time in calendar?],[time mode (12,24)?])" type="text" size="20"><a href="javascript:NewCal('NewCal([textbox id],[date format],[show time in calendar?],[time mode (12,24)?])','ddmmyyyy')">
          
          
            <img src="cal.gif" width="16" height="16" border="0" alt="Pick a date"></a>
    
        </td>
        <td>
           </td>
        <td>
           </td>
        <td>
           </td>
      </tr>
      <tr>
        <td>
           </td>
        <td style="width: 127px">
          <asp:Label ID="Label5" runat="server" Text="Name"></asp:Label>
        </td>
        <td colspan="3">
          <asp:TextBox ID="TextBox11" runat="server" Width="308px"></asp:TextBox>
        </td>
        <td style="width: 153px">
          <asp:CheckBox ID="CheckBox1" runat="server" Text="URD Purchase" />
        </td>
        <td>
           </td>
        <td>
           </td>
        <td>
           </td>
      </tr>
      <tr>
        <td>
           </td>
        <td style="width: 127px">
           </td>
        <td style="width: 127px">
           </td>
        <td style="width: 127px">
           </td>
        <td style="width: 127px">
           </td>
        <td style="width: 153px">
           </td>
        <td>
           </td>
        <td>
           </td>
        <td>
           </td>
      </tr>
      <tr>
        <td>
           </td>
        <td colspan="5" rowspan="8" valign="top">
          <asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False"
            Height="127px" Width="668px">
            <Columns>
              <asp:BoundField DataField="Particulars" HeaderText="Particulars" />
              <asp:BoundField DataField="Order" HeaderText="Order" />
              <asp:BoundField DataField="Received" HeaderText="Received" />
              <asp:BoundField DataField="Rate" HeaderText="Rate" />
              <asp:BoundField DataField="Amount" HeaderText="Amount" />
              <asp:BoundField DataField="DiscPer" HeaderText="Disc(%)" />
              <asp:BoundField DataField="Discount" HeaderText="Discount" />
              <asp:BoundField DataField="RatePer" HeaderText="Rate(%)" />
              <asp:BoundField DataField="Rate" HeaderText="Rate" />
              <asp:BoundField DataField="NetAmt" HeaderText="Net Amt" />
            </Columns>
          </asp:GridView>
        </td>
        <td>
           </td>
        <td>
           </td>
        <td>
           </td>
      </tr>
      <tr>
        <td>
           </td>
        <td>
           </td>
        <td>
           </td>
        <td>
           </td>
      </tr>
      <tr>
        <td>
           </td>
        <td>
           </td>
        <td>
           </td>
        <td>
           </td>
      </tr>
      <tr>
        <td>
           </td>
        <td>
           </td>
        <td>
           </td>
        <td>
           </td>
      </tr>
      <tr>
        <td>
           </td>
        <td>
           </td>
        <td>
           </td>
        <td>
           </td>
      </tr>
      <tr>
        <td>
           </td>
        <td>
           </td>
        <td>
           </td>
        <td>
           </td>
      </tr>
      <tr>
        <td>
           </td>
        <td>
           </td>
        <td>
           </td>
        <td>
           </td>
      </tr>
      <tr>
        <td>
           </td>
        <td>
           </td>
        <td>
           </td>
        <td>
           </td>
      </tr>
      <tr>
        <td>
           </td>
        <td style="width: 127px">
           </td>
        <td style="width: 127px">
           </td>
        <td style="width: 127px">
           </td>
        <td style="width: 127px">
           </td>
        <td style="width: 153px">
           </td>
        <td>
           </td>
        <td>
           </td>
        <td>
           </td>
      </tr>
      <tr>
        <td>
           </td>
        <td style="width: 127px">
          <asp:Label ID="Label6" runat="server" Text="Servive Tax Paid"></asp:Label>
        </td>
        <td style="width: 127px">
          <asp:TextBox ID="TextBox6" runat="server"></asp:TextBox>
        </td>
        <td style="width: 127px">
          <asp:Button ID="Button6" runat="server" Text="Export Prod" Width="80px" />
        </td>
        <td style="width: 127px">
          <asp:Label ID="Label9" runat="server" Text="Misc. Charges"></asp:Label>
        </td>
        <td style="width: 153px">
          <asp:TextBox ID="TextBox3" runat="server"></asp:TextBox>
        </td>
        <td>
           </td>
        <td>
           </td>
        <td>
           </td>
      </tr>
      <tr>
        <td>
           </td>
        <td style="width: 127px">
          <asp:Label ID="Label7" runat="server" Text="Cess/surcharge Paid"></asp:Label>
        </td>
        <td style="width: 127px">
          <asp:TextBox ID="TextBox7" runat="server"></asp:TextBox>
        </td>
        <td style="width: 127px">
           </td>
        <td style="width: 127px">
          <asp:Label ID="Label10" runat="server" Text="Cash Discount"></asp:Label>
        </td>
        <td style="width: 153px">
          <asp:TextBox ID="TextBox4" runat="server"></asp:TextBox>
        </td>
        <td>
           </td>
        <td>
           </td>
        <td>
           </td>
      </tr>
      <tr>
        <td>
           </td>
        <td style="width: 127px">
          <asp:Label ID="Label8" runat="server" Text="Octroi"></asp:Label>
        </td>
        <td style="width: 127px">
          <asp:TextBox ID="TextBox8" runat="server"></asp:TextBox>
        </td>
        <td style="width: 127px">
           </td>
        <td style="width: 127px">
          <asp:Label ID="Label11" runat="server" Text="Total Amount"></asp:Label>
        </td>
        <td style="width: 153px">
          <asp:TextBox ID="TextBox5" runat="server"></asp:TextBox>
        </td>
        <td>
           </td>
        <td>
           </td>
        <td>
           </td>
      </tr>
      <tr>
        <td>
           </td>
        <td style="width: 127px">
           </td>
        <td style="width: 127px">
           </td>
        <td style="width: 127px">
           </td>
        <td style="width: 127px">
           </td>
        <td style="width: 153px">
          <asp:RadioButton ID="RadioButton1" runat="server" Text="Data Report" />
        </td>
        <td>
           </td>
        <td>
           </td>
        <td>
           </td>
      </tr>
      <tr>
        <td>
           </td>
        <td style="width: 127px">
           </td>
        <td style="width: 127px">
           </td>
        <td style="width: 127px">
           </td>
        <td style="width: 127px">
           </td>
        <td style="width: 153px">
           </td>
        <td>
           </td>
        <td>
           </td>
        <td>
           </td>
      </tr>
      <tr>
        <td>
           </td>
        <td style="width: 127px">
          <asp:Button ID="Button1" runat="server" Text="Cancel" Width="80px" />
        </td>
        <td style="width: 127px">
          <asp:Button ID="Button2" runat="server" Text="Save Invoice" Width="80px" />
        </td>
        <td style="width: 127px">
          <asp:Button ID="Button3" runat="server" Text="Print" Width="80px" />
        </td>
        <td style="width: 127px">
          
          <asp:Button ID="Button7" runat="server" Text="Delete" Width="80px" />
          
        </td>
        <td style="width: 153px">
          <asp:Button ID="Button5" runat="server" Text="Payment" Width="80px" />
        </td>
        <td>
           </td>
        <td>
           </td>
        <td>
           </td>
      </tr>
      <tr>
        <td>
           </td>
        <td style="width: 127px">
           </td>
        <td style="width: 127px">
           </td>
        <td style="width: 127px">
           </td>
        <td style="width: 127px">
           </td>
        <td style="width: 153px">
           </td>
        <td>
           </td>
        <td>
           </td>
        <td>
           </td>
        <td>
           </td>
        <td>
           </td>
        <td>
           </td>
        <td>
           </td>
        <td>
           </td>
        <td>
           </td>
      </tr>
    </table>
</asp:Content>
-----------------------------------------------------------------------------------------------------------------
and javascript file is having name datetimepicker.js :-


//Global variables
var winCal;
var dtToday=new Date();
var Cal;
var docCal;
var MonthName=["January", "February", "March", "April", "May", "June","July",
    "August", "September", "October", "November", "December"];
var WeekDayName=["Sunday","Monday","Tuesday","Wednesday","Thursday","Friday","Saturday"];    
var exDateTime;//Existing Date and Time

//Configurable parameters
var cnTop="200";//top coordinate of calendar window.
var cnLeft="500";//left coordinate of calendar window
var WindowTitle ="DateTime Picker";//Date Time Picker title.
var WeekChar=2;//number of character for week day. if 2 then Mo,Tu,We. if 3 then Mon,Tue,Wed.
var CellWidth=20;//Width of day cell.
var DateSeparator="-";//Date Separator, you can change it to "/" if you want.
var TimeMode=24;//default TimeMode value. 12 or 24

var ShowLongMonth=true;//Show long month name in Calendar header. example: "January".
var ShowMonthYear=true;//Show Month and Year in Calendar header.
var MonthYearColor="#cc0033";//Font Color of Month and Year in Calendar header.
var WeekHeadColor="#0099CC";//Background Color in Week header.
var SundayColor="#6699FF";//Background color of Sunday.
var SaturdayColor="#CCCCFF";//Background color of Saturday.
var WeekDayColor="white";//Background color of weekdays.
var FontColor="blue";//color of font in Calendar day cell.
var TodayColor="#FFFF33";//Background color of today.
var SelDateColor="#FFFF99";//Backgrond color of selected date in textbox.
var YrSelColor="#cc0033";//color of font of Year selector.
var ThemeBg="";//Background image of Calendar window.
//end Configurable parameters
//end Global variable

function NewCal(pCtrl,pFormat,pShowTime,pTimeMode)
{
    Cal=new Calendar(dtToday);
    if ((pShowTime!=null) && (pShowTime))
    {
        Cal.ShowTime=true;
        if ((pTimeMode!=null) &&((pTimeMode=='12')||(pTimeMode=='24')))
        {
            TimeMode=pTimeMode;
        }        
    }    
    if (pCtrl!=null)
        Cal.Ctrl=pCtrl;
    if (pFormat!=null)
        Cal.Format=pFormat.toUpperCase();
    
    exDateTime=document.getElementById(pCtrl).value;
    if (exDateTime!="")//Parse Date String
    {
        var Sp1;//Index of Date Separator 1
        var Sp2;//Index of Date Separator 2
        var tSp1;//Index of Time Separator 1
        var tSp1;//Index of Time Separator 2
        var strMonth;
        var strDate;
        var strYear;
        var intMonth;
        var YearPattern;
        var strHour;
        var strMinute;
        var strSecond;
        //parse month
        Sp1=exDateTime.indexOf(DateSeparator,0)
        Sp2=exDateTime.indexOf(DateSeparator,(parseInt(Sp1)+1));
        
        if ((Cal.Format.toUpperCase()=="DDMMYYYY") || (Cal.Format.toUpperCase()=="DDMMMYYYY"))
        {
            strMonth=exDateTime.substring(Sp1+1,Sp2);
            strDate=exDateTime.substring(0,Sp1);
        }
        else if ((Cal.Format.toUpperCase()=="MMDDYYYY") || (Cal.Format.toUpperCase()=="MMMDDYYYY"))
        {
            strMonth=exDateTime.substring(0,Sp1);
            strDate=exDateTime.substring(Sp1+1,Sp2);
        }
        if (isNaN(strMonth))
            intMonth=Cal.GetMonthIndex(strMonth);
        else
            intMonth=parseInt(strMonth,10)-1;    
        if ((parseInt(intMonth,10)>=0) && (parseInt(intMonth,10)<12))
            Cal.Month=intMonth;
        //end parse month
        //parse Date
        if ((parseInt(strDate,10)<=Cal.GetMonDays()) && (parseInt(strDate,10)>=1))
            Cal.Date=strDate;
        //end parse Date
        //parse year
        strYear=exDateTime.substring(Sp2+1,Sp2+5);
        YearPattern=/^\d{4}$/;
        if (YearPattern.test(strYear))
            Cal.Year=parseInt(strYear,10);
        //end parse year
        //parse time
        if (Cal.ShowTime==true)
        {
            tSp1=exDateTime.indexOf(":",0)
            tSp2=exDateTime.indexOf(":",(parseInt(tSp1)+1));
            strHour=exDateTime.substring(tSp1,(tSp1)-2);
            Cal.SetHour(strHour);
            strMinute=exDateTime.substring(tSp1+1,tSp2);
            Cal.SetMinute(strMinute);
            strSecond=exDateTime.substring(tSp2+1,tSp2+3);
            Cal.SetSecond(strSecond);
        }    
    }
    winCal=window.open("","DateTimePicker","toolbar=0,status=0,menubar=0,fullscreen=no,width=195,height=245,resizable=0,top="+cnTop+",left="+cnLeft);
    docCal=winCal.document;
    RenderCal();
}

function RenderCal()
{
    var vCalHeader;
    var vCalData;
    var vCalTime;
    var i;
    var j;
    var SelectStr;
    var vDayCount=0;
    var vFirstDay;

    docCal.open();
    docCal.writeln("<html><head><title>"+WindowTitle+"</title>");
    docCal.writeln("<script>var winMain=window.opener;</script>");
    docCal.writeln("</head><body background='"+ThemeBg+"' link="+FontColor+" vlink="+FontColor+"><form name='Calendar'>");

    vCalHeader="<table border=1 cellpadding=1 cellspacing=1 width='100%' align=\"center\" valign=\"top\">\n";
    //Month Selector
    vCalHeader+="<tr>\n<td colspan='7'><table border=0 width='100%' cellpadding=0 cellspacing=0><tr><td align='left'>\n";
    vCalHeader+="<select name=\"MonthSelector\" onChange=\"javascript:winMain.Cal.SwitchMth(this.selectedIndex);winMain.RenderCal();\">\n";
    for (i=0;i<12;i++)
    {
        if (i==Cal.Month)
            SelectStr="Selected";
        else
            SelectStr="";    
        vCalHeader+="<option "+SelectStr+" value >"+MonthName[i]+"\n";
    }
    vCalHeader+="</select></td>";
    //Year selector
    vCalHeader+="\n<td align='right'><a href=\"javascript:winMain.Cal.DecYear();winMain.RenderCal()\"><b><font color=\""+YrSelColor+"\"><</font></b></a><font face=\"Verdana\" color=\""+YrSelColor+"\" size=2><b> "+Cal.Year+" </b></font><a href=\"javascript:winMain.Cal.IncYear();winMain.RenderCal()\"><b><font color=\""+YrSelColor+"\">></font></b></a></td></tr></table></td>\n";    
    vCalHeader+="</tr>";
    //Calendar header shows Month and Year
    if (ShowMonthYear)
        vCalHeader+="<tr><td colspan='7'><font face='Verdana' size='2' align='center' color='"+MonthYearColor+"'><b>"+Cal.GetMonthName(ShowLongMonth)+" "+Cal.Year+"</b></font></td></tr>\n";
    //Week day header
    vCalHeader+="<tr bgcolor="+WeekHeadColor+">";
    for (i=0;i<7;i++)
    {
        vCalHeader+="<td align='center'><font face='Verdana' size='2'>"+WeekDayName[i].substr(0,WeekChar)+"</font></td>";
    }
    vCalHeader+="</tr>";    
    docCal.write(vCalHeader);
    
    //Calendar detail
    CalDate=new Date(Cal.Year,Cal.Month);
    CalDate.setDate(1);
    vFirstDay=CalDate.getDay();
    vCalData="<tr>";
    for (i=0;i<vFirstDay;i++)
    {
        vCalData=vCalData+GenCell();
        vDayCount=vDayCount+1;
    }
    for (j=1;j<=Cal.GetMonDays();j++)
    {
        var strCell;
        vDayCount=vDayCount+1;
        if ((j==dtToday.getDate())&&(Cal.Month==dtToday.getMonth())&&(Cal.Year==dtToday.getFullYear()))
            strCell=GenCell(j,true,TodayColor);//Highlight today's date
        else
        {
            if (j==Cal.Date)
            {
                strCell=GenCell(j,true,SelDateColor);
            }
            else
            {    
                if (vDayCount%7==0)
                    strCell=GenCell(j,false,SaturdayColor);
                else if ((vDayCount+6)%7==0)
                    strCell=GenCell(j,false,SundayColor);
                else
                    strCell=GenCell(j,null,WeekDayColor);
            }        
        }                        
        vCalData=vCalData+strCell;

        if((vDayCount%7==0)&&(j<Cal.GetMonDays()))
        {
            vCalData=vCalData+"</tr>\n<tr>";
        }
    }
    docCal.writeln(vCalData);    
    //Time picker
    if (Cal.ShowTime)
    {
        var showHour;
        showHour=Cal.getShowHour();        
        vCalTime="<tr>\n<td colspan='7' align='center'>";
        vCalTime+="<input type='text' name='hour' maxlength=2 size=1 style=\"WIDTH: 22px\" value="+showHour+" onchange=\"javascript:winMain.Cal.SetHour(this.value)\">";
        vCalTime+=" : ";
        vCalTime+="<input type='text' name='minute' maxlength=2 size=1 style=\"WIDTH: 22px\" value="+Cal.Minutes+" onchange=\"javascript:winMain.Cal.SetMinute(this.value)\">";
        vCalTime+=" : ";
        vCalTime+="<input type='text' name='second' maxlength=2 size=1 style=\"WIDTH: 22px\" value="+Cal.Seconds+" onchange=\"javascript:winMain.Cal.SetSecond(this.value)\">";
        if (TimeMode==12)
        {
            var SelectAm =(parseInt(Cal.Hours,10)<12)? "Selected":"";
            var SelectPm =(parseInt(Cal.Hours,10)>=12)? "Selected":"";

            vCalTime+="<select name=\"ampm\" onchange=\"javascript:winMain.Cal.SetAmPm(this.options[this.selectedIndex].value);\">";
            vCalTime+="<option "+SelectAm+" value=\"AM\">AM</option>";
            vCalTime+="<option "+SelectPm+" value=\"PM\">PM<option>";
            vCalTime+="</select>";
        }    
        vCalTime+="\n</td>\n</tr>";
        docCal.write(vCalTime);
    }    
    //end time picker
    docCal.writeln("\n</table>");
    docCal.writeln("</form></body></html>");
    docCal.close();
}

function GenCell(pValue,pHighLight,pColor)//Generate table cell with value
{
    var PValue;
    var PCellStr;
    var vColor;
    var vHLstr1;//HighLight string
    var vHlstr2;
    var vTimeStr;
    
    if (pValue==null)
        PValue="";
    else
        PValue=pValue;
    
    if (pColor!=null)
        vColor="bgcolor=\""+pColor+"\"";
    else
        vColor="";    
    if ((pHighLight!=null)&&(pHighLight))
        {vHLstr1="color='red'><b>";vHLstr2="</b>";}
    else
        {vHLstr1=">";vHLstr2="";}    
    
    if (Cal.ShowTime)
    {
        vTimeStr="winMain.document.getElementById('"+Cal.Ctrl+"').value+=' '+"+"winMain.Cal.getShowHour()"+"+':'+"+"winMain.Cal.Minutes"+"+':'+"+"winMain.Cal.Seconds";
        if (TimeMode==12)
            vTimeStr+="+' '+winMain.Cal.AMorPM";
    }    
    else
        vTimeStr="";        
    PCellStr="<td "+vColor+" width="+CellWidth+" align='center'><font face='verdana' size='2'"+vHLstr1+"<a href=\"javascript:winMain.document.getElementById('"+Cal.Ctrl+"').value='"+Cal.FormatDate(PValue)+"';"+vTimeStr+";window.close();\">"+PValue+"</a>"+vHLstr2+"</font></td>";
    return PCellStr;
}

function Calendar(pDate,pCtrl)
{
    //Properties
    this.Date=pDate.getDate();//selected date
    this.Month=pDate.getMonth();//selected month number
    this.Year=pDate.getFullYear();//selected year in 4 digits
    this.Hours=pDate.getHours();    
    
    if (pDate.getMinutes()<10)
        this.Minutes="0"+pDate.getMinutes();
    else
        this.Minutes=pDate.getMinutes();
    
    if (pDate.getSeconds()<10)
        this.Seconds="0"+pDate.getSeconds();
    else        
        this.Seconds=pDate.getSeconds();
        
    this.MyWindow=winCal;
    this.Ctrl=pCtrl;
    this.Format="ddMMyyyy";
    this.Separator=DateSeparator;
    this.ShowTime=false;
    if (pDate.getHours()<12)
        this.AMorPM="AM";
    else
        this.AMorPM="PM";    
}

function GetMonthIndex(shortMonthName)
{
    for (i=0;i<12;i++)
    {
        if (MonthName[i].substring(0,3).toUpperCase()==shortMonthName.toUpperCase())
        {    return i;}
    }
}
Calendar.prototype.GetMonthIndex=GetMonthIndex;

function IncYear()
{    Cal.Year++;}
Calendar.prototype.IncYear=IncYear;

function DecYear()
{    Cal.Year--;}
Calendar.prototype.DecYear=DecYear;
    
function SwitchMth(intMth)
{    Cal.Month=intMth;}
Calendar.prototype.SwitchMth=SwitchMth;

function SetHour(intHour)
{    
    var MaxHour;
    var MinHour;
    if (TimeMode==24)
    {    MaxHour=23;MinHour=0}
    else if (TimeMode==12)
    {    MaxHour=12;MinHour=1}
    else
        alert("TimeMode can only be 12 or 24");        
    var HourExp=new RegExp("^\\d\\d$");
    if (HourExp.test(intHour) && (parseInt(intHour,10)<=MaxHour) && (parseInt(intHour,10)>=MinHour))
    {    
        if ((TimeMode==12) && (Cal.AMorPM=="PM"))
        {
            if (parseInt(intHour,10)==12)
                Cal.Hours=12;
            else    
                Cal.Hours=parseInt(intHour,10)+12;
        }    
        else if ((TimeMode==12) && (Cal.AMorPM=="AM"))
        {
            if (intHour==12)
                intHour-=12;
            Cal.Hours=parseInt(intHour,10);
        }
        else if (TimeMode==24)
            Cal.Hours=parseInt(intHour,10);    
    }
}
Calendar.prototype.SetHour=SetHour;

function SetMinute(intMin)
{
    var MinExp=new RegExp("^\\d\\d$");
    if (MinExp.test(intMin) && (intMin<60))
        Cal.Minutes=intMin;
}
Calendar.prototype.SetMinute=SetMinute;

function SetSecond(intSec)
{    
    var SecExp=new RegExp("^\\d\\d$");
    if (SecExp.test(intSec) && (intSec<60))
        Cal.Seconds=intSec;
}
Calendar.prototype.SetSecond=SetSecond;

function SetAmPm(pvalue)
{
    this.AMorPM=pvalue;
    if (pvalue=="PM")
    {
        this.Hours=(parseInt(this.Hours,10))+12;
        if (this.Hours==24)
            this.Hours=12;
    }    
    else if (pvalue=="AM")
        this.Hours-=12;    
}
Calendar.prototype.SetAmPm=SetAmPm;

function getShowHour()
{
    var finalHour;
    if (TimeMode==12)
    {
        if (parseInt(this.Hours,10)==0)
        {
            this.AMorPM="AM";
            finalHour=parseInt(this.Hours,10)+12;    
        }
        else if (parseInt(this.Hours,10)==12)
        {
            this.AMorPM="PM";
            finalHour=12;
        }        
        else if (this.Hours>12)
        {
            this.AMorPM="PM";
            if ((this.Hours-12)<10)
                finalHour="0"+((parseInt(this.Hours,10))-12);
            else
                finalHour=parseInt(this.Hours,10)-12;    
        }
        else
        {
            this.AMorPM="AM";
            if (this.Hours<10)
                finalHour="0"+parseInt(this.Hours,10);
            else
                finalHour=this.Hours;    
        }
    }
    else if (TimeMode==24)
    {
        if (this.Hours<10)
            finalHour="0"+parseInt(this.Hours,10);
        else    
            finalHour=this.Hours;
    }    
    return finalHour;    
}                
Calendar.prototype.getShowHour=getShowHour;        

function GetMonthName(IsLong)
{
    var Month=MonthName[this.Month];
    if (IsLong)
        return Month;
    else
        return Month.substr(0,3);
}
Calendar.prototype.GetMonthName=GetMonthName;

function GetMonDays()//Get number of days in a month
{
    var DaysInMonth=[31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31];
    if (this.IsLeapYear())
    {
        DaysInMonth[1]=29;
    }    
    return DaysInMonth[this.Month];    
}
Calendar.prototype.GetMonDays=GetMonDays;

function IsLeapYear()
{
    if ((this.Year%4)==0)
    {
        if ((this.Year%100==0) && (this.Year%400)!=0)
        {
            return false;
        }
        else
        {
            return true;
        }
    }
    else
    {
        return false;
    }
}
Calendar.prototype.IsLeapYear=IsLeapYear;

function FormatDate(pDate)
{
    if (this.Format.toUpperCase()=="DDMMYYYY")
        return (pDate+DateSeparator+(this.Month+1)+DateSeparator+this.Year);
    else if (this.Format.toUpperCase()=="DDMMMYYYY")
        return (pDate+DateSeparator+this.GetMonthName(false)+DateSeparator+this.Year);
    else if (this.Format.toUpperCase()=="MMDDYYYY")
        return ((this.Month+1)+DateSeparator+pDate+DateSeparator+this.Year);
    else if (this.Format.toUpperCase()=="MMMDDYYYY")
        return (this.GetMonthName(false)+DateSeparator+pDate+DateSeparator+this.Year);            
}
Calendar.prototype.FormatDate=FormatDate;   
//Javascript name: My Date Time Picker
//Date created: 16-Nov-2003 23:19
//Scripter: TengYong Ng
//Website: http://www.rainforestnet.com
//Copyright (c) 2003 TengYong Ng
//FileName: DateTimePicker.js
//Version: 0.8
//Contact: contact@rainforestnet.com
// Note: Permission given to use this script in ANY kind of applications if
//     header lines are left unchanged.

//Global variables
var winCal;
var dtToday=new Date();
var Cal;
var docCal;
var MonthName=["January", "February", "March", "April", "May", "June","July",
    "August", "September", "October", "November", "December"];
var WeekDayName=["Sunday","Monday","Tuesday","Wednesday","Thursday","Friday","Saturday"];    
var exDateTime;//Existing Date and Time

//Configurable parameters
var cnTop="200";//top coordinate of calendar window.
var cnLeft="500";//left coordinate of calendar window
var WindowTitle ="DateTime Picker";//Date Time Picker title.
var WeekChar=2;//number of character for week day. if 2 then Mo,Tu,We. if 3 then Mon,Tue,Wed.
var CellWidth=20;//Width of day cell.
var DateSeparator="-";//Date Separator, you can change it to "/" if you want.
var TimeMode=24;//default TimeMode value. 12 or 24

var ShowLongMonth=true;//Show long month name in Calendar header. example: "January".
var ShowMonthYear=true;//Show Month and Year in Calendar header.
var MonthYearColor="#cc0033";//Font Color of Month and Year in Calendar header.
var WeekHeadColor="#0099CC";//Background Color in Week header.
var SundayColor="#6699FF";//Background color of Sunday.
var SaturdayColor="#CCCCFF";//Background color of Saturday.
var WeekDayColor="white";//Background color of weekdays.
var FontColor="blue";//color of font in Calendar day cell.
var TodayColor="#FFFF33";//Background color of today.
var SelDateColor="#FFFF99";//Backgrond color of selected date in textbox.
var YrSelColor="#cc0033";//color of font of Year selector.
var ThemeBg="";//Background image of Calendar window.
//end Configurable parameters
//end Global variable

function NewCal(pCtrl,pFormat,pShowTime,pTimeMode)
{
    Cal=new Calendar(dtToday);
    if ((pShowTime!=null) && (pShowTime))
    {
        Cal.ShowTime=true;
        if ((pTimeMode!=null) &&((pTimeMode=='12')||(pTimeMode=='24')))
        {
            TimeMode=pTimeMode;
        }        
    }    
    if (pCtrl!=null)
        Cal.Ctrl=pCtrl;
    if (pFormat!=null)
        Cal.Format=pFormat.toUpperCase();
    
    exDateTime=document.getElementById(pCtrl).value;
    if (exDateTime!="")//Parse Date String
    {
        var Sp1;//Index of Date Separator 1
        var Sp2;//Index of Date Separator 2
        var tSp1;//Index of Time Separator 1
        var tSp1;//Index of Time Separator 2
        var strMonth;
        var strDate;
        var strYear;
        var intMonth;
        var YearPattern;
        var strHour;
        var strMinute;
        var strSecond;
        //parse month
        Sp1=exDateTime.indexOf(DateSeparator,0)
        Sp2=exDateTime.indexOf(DateSeparator,(parseInt(Sp1)+1));
        
        if ((Cal.Format.toUpperCase()=="DDMMYYYY") || (Cal.Format.toUpperCase()=="DDMMMYYYY"))
        {
            strMonth=exDateTime.substring(Sp1+1,Sp2);
            strDate=exDateTime.substring(0,Sp1);
        }
        else if ((Cal.Format.toUpperCase()=="MMDDYYYY") || (Cal.Format.toUpperCase()=="MMMDDYYYY"))
        {
            strMonth=exDateTime.substring(0,Sp1);
            strDate=exDateTime.substring(Sp1+1,Sp2);
        }
        if (isNaN(strMonth))
            intMonth=Cal.GetMonthIndex(strMonth);
        else
            intMonth=parseInt(strMonth,10)-1;    
        if ((parseInt(intMonth,10)>=0) && (parseInt(intMonth,10)<12))
            Cal.Month=intMonth;
        //end parse month
        //parse Date
        if ((parseInt(strDate,10)<=Cal.GetMonDays()) && (parseInt(strDate,10)>=1))
            Cal.Date=strDate;
        //end parse Date
        //parse year
        strYear=exDateTime.substring(Sp2+1,Sp2+5);
        YearPattern=/^\d{4}$/;
        if (YearPattern.test(strYear))
            Cal.Year=parseInt(strYear,10);
        //end parse year
        //parse time
        if (Cal.ShowTime==true)
        {
            tSp1=exDateTime.indexOf(":",0)
            tSp2=exDateTime.indexOf(":",(parseInt(tSp1)+1));
            strHour=exDateTime.substring(tSp1,(tSp1)-2);
            Cal.SetHour(strHour);
            strMinute=exDateTime.substring(tSp1+1,tSp2);
            Cal.SetMinute(strMinute);
            strSecond=exDateTime.substring(tSp2+1,tSp2+3);
            Cal.SetSecond(strSecond);
        }    
    }
    winCal=window.open("","DateTimePicker","toolbar=0,status=0,menubar=0,fullscreen=no,width=195,height=245,resizable=0,top="+cnTop+",left="+cnLeft);
    docCal=winCal.document;
    RenderCal();
}

function RenderCal()
{
    var vCalHeader;
    var vCalData;
    var vCalTime;
    var i;
    var j;
    var SelectStr;
    var vDayCount=0;
    var vFirstDay;

    docCal.open();
    docCal.writeln("<html><head><title>"+WindowTitle+"</title>");
    docCal.writeln("<script>var winMain=window.opener;</script>");
    docCal.writeln("</head><body background='"+ThemeBg+"' link="+FontColor+" vlink="+FontColor+"><form name='Calendar'>");

    vCalHeader="<table border=1 cellpadding=1 cellspacing=1 width='100%' align=\"center\" valign=\"top\">\n";
    //Month Selector
    vCalHeader+="<tr>\n<td colspan='7'><table border=0 width='100%' cellpadding=0 cellspacing=0><tr><td align='left'>\n";
    vCalHeader+="<select name=\"MonthSelector\" onChange=\"javascript:winMain.Cal.SwitchMth(this.selectedIndex);winMain.RenderCal();\">\n";
    for (i=0;i<12;i++)
    {
        if (i==Cal.Month)
            SelectStr="Selected";
        else
            SelectStr="";    
        vCalHeader+="<option "+SelectStr+" value >"+MonthName[i]+"\n";
    }
    vCalHeader+="</select></td>";
    //Year selector
    vCalHeader+="\n<td align='right'><a href=\"javascript:winMain.Cal.DecYear();winMain.RenderCal()\"><b><font color=\""+YrSelColor+"\"><</font></b></a><font face=\"Verdana\" color=\""+YrSelColor+"\" size=2><b> "+Cal.Year+" </b></font><a href=\"javascript:winMain.Cal.IncYear();winMain.RenderCal()\"><b><font color=\""+YrSelColor+"\">></font></b></a></td></tr></table></td>\n";    
    vCalHeader+="</tr>";
    //Calendar header shows Month and Year
    if (ShowMonthYear)
        vCalHeader+="<tr><td colspan='7'><font face='Verdana' size='2' align='center' color='"+MonthYearColor+"'><b>"+Cal.GetMonthName(ShowLongMonth)+" "+Cal.Year+"</b></font></td></tr>\n";
    //Week day header
    vCalHeader+="<tr bgcolor="+WeekHeadColor+">";
    for (i=0;i<7;i++)
    {
        vCalHeader+="<td align='center'><font face='Verdana' size='2'>"+WeekDayName[i].substr(0,WeekChar)+"</font></td>";
    }
    vCalHeader+="</tr>";    
    docCal.write(vCalHeader);
    
    //Calendar detail
    CalDate=new Date(Cal.Year,Cal.Month);
    CalDate.setDate(1);
    vFirstDay=CalDate.getDay();
    vCalData="<tr>";
    for (i=0;i<vFirstDay;i++)
    {
        vCalData=vCalData+GenCell();
        vDayCount=vDayCount+1;
    }
    for (j=1;j<=Cal.GetMonDays();j++)
    {
        var strCell;
        vDayCount=vDayCount+1;
        if ((j==dtToday.getDate())&&(Cal.Month==dtToday.getMonth())&&(Cal.Year==dtToday.getFullYear()))
            strCell=GenCell(j,true,TodayColor);//Highlight today's date
        else
        {
            if (j==Cal.Date)
            {
                strCell=GenCell(j,true,SelDateColor);
            }
            else
            {    
                if (vDayCount%7==0)
                    strCell=GenCell(j,false,SaturdayColor);
                else if ((vDayCount+6)%7==0)
                    strCell=GenCell(j,false,SundayColor);
                else
                    strCell=GenCell(j,null,WeekDayColor);
            }        
        }                        
        vCalData=vCalData+strCell;

        if((vDayCount%7==0)&&(j<Cal.GetMonDays()))
        {
            vCalData=vCalData+"</tr>\n<tr>";
        }
    }
    docCal.writeln(vCalData);    
    //Time picker
    if (Cal.ShowTime)
    {
        var showHour;
        showHour=Cal.getShowHour();        
        vCalTime="<tr>\n<td colspan='7' align='center'>";
        vCalTime+="<input type='text' name='hour' maxlength=2 size=1 style=\"WIDTH: 22px\" value="+showHour+" onchange=\"javascript:winMain.Cal.SetHour(this.value)\">";
        vCalTime+=" : ";
        vCalTime+="<input type='text' name='minute' maxlength=2 size=1 style=\"WIDTH: 22px\" value="+Cal.Minutes+" onchange=\"javascript:winMain.Cal.SetMinute(this.value)\">";
        vCalTime+=" : ";
        vCalTime+="<input type='text' name='second' maxlength=2 size=1 style=\"WIDTH: 22px\" value="+Cal.Seconds+" onchange=\"javascript:winMain.Cal.SetSecond(this.value)\">";
        if (TimeMode==12)
        {
            var SelectAm =(parseInt(Cal.Hours,10)<12)? "Selected":"";
            var SelectPm =(parseInt(Cal.Hours,10)>=12)? "Selected":"";

            vCalTime+="<select name=\"ampm\" onchange=\"javascript:winMain.Cal.SetAmPm(this.options[this.selectedIndex].value);\">";
            vCalTime+="<option "+SelectAm+" value=\"AM\">AM</option>";
            vCalTime+="<option "+SelectPm+" value=\"PM\">PM<option>";
            vCalTime+="</select>";
        }    
        vCalTime+="\n</td>\n</tr>";
        docCal.write(vCalTime);
    }    
    //end time picker
    docCal.writeln("\n</table>");
    docCal.writeln("</form></body></html>");
    docCal.close();
}

function GenCell(pValue,pHighLight,pColor)//Generate table cell with value
{
    var PValue;
    var PCellStr;
    var vColor;
    var vHLstr1;//HighLight string
    var vHlstr2;
    var vTimeStr;
    
    if (pValue==null)
        PValue="";
    else
        PValue=pValue;
    
    if (pColor!=null)
        vColor="bgcolor=\""+pColor+"\"";
    else
        vColor="";    
    if ((pHighLight!=null)&&(pHighLight))
        {vHLstr1="color='red'><b>";vHLstr2="</b>";}
    else
        {vHLstr1=">";vHLstr2="";}    
    
    if (Cal.ShowTime)
    {
        vTimeStr="winMain.document.getElementById('"+Cal.Ctrl+"').value+=' '+"+"winMain.Cal.getShowHour()"+"+':'+"+"winMain.Cal.Minutes"+"+':'+"+"winMain.Cal.Seconds";
        if (TimeMode==12)
            vTimeStr+="+' '+winMain.Cal.AMorPM";
    }    
    else
        vTimeStr="";        
    PCellStr="<td "+vColor+" width="+CellWidth+" align='center'><font face='verdana' size='2'"+vHLstr1+"<a href=\"javascript:winMain.document.getElementById('"+Cal.Ctrl+"').value='"+Cal.FormatDate(PValue)+"';"+vTimeStr+";window.close();\">"+PValue+"</a>"+vHLstr2+"</font></td>";
    return PCellStr;
}

function Calendar(pDate,pCtrl)
{
    //Properties
    this.Date=pDate.getDate();//selected date
    this.Month=pDate.getMonth();//selected month number
    this.Year=pDate.getFullYear();//selected year in 4 digits
    this.Hours=pDate.getHours();    
    
    if (pDate.getMinutes()<10)
        this.Minutes="0"+pDate.getMinutes();
    else
        this.Minutes=pDate.getMinutes();
    
    if (pDate.getSeconds()<10)
        this.Seconds="0"+pDate.getSeconds();
    else        
        this.Seconds=pDate.getSeconds();
        
    this.MyWindow=winCal;
    this.Ctrl=pCtrl;
    this.Format="ddMMyyyy";
    this.Separator=DateSeparator;
    this.ShowTime=false;
    if (pDate.getHours()<12)
        this.AMorPM="AM";
    else
        this.AMorPM="PM";    
}

function GetMonthIndex(shortMonthName)
{
    for (i=0;i<12;i++)
    {
        if (MonthName[i].substring(0,3).toUpperCase()==shortMonthName.toUpperCase())
        {    return i;}
    }
}
Calendar.prototype.GetMonthIndex=GetMonthIndex;

function IncYear()
{    Cal.Year++;}
Calendar.prototype.IncYear=IncYear;

function DecYear()
{    Cal.Year--;}
Calendar.prototype.DecYear=DecYear;
    
function SwitchMth(intMth)
{    Cal.Month=intMth;}
Calendar.prototype.SwitchMth=SwitchMth;

function SetHour(intHour)
{    
    var MaxHour;
    var MinHour;
    if (TimeMode==24)
    {    MaxHour=23;MinHour=0}
    else if (TimeMode==12)
    {    MaxHour=12;MinHour=1}
    else
        alert("TimeMode can only be 12 or 24");        
    var HourExp=new RegExp("^\\d\\d$");
    if (HourExp.test(intHour) && (parseInt(intHour,10)<=MaxHour) && (parseInt(intHour,10)>=MinHour))
    {    
        if ((TimeMode==12) && (Cal.AMorPM=="PM"))
        {
            if (parseInt(intHour,10)==12)
                Cal.Hours=12;
            else    
                Cal.Hours=parseInt(intHour,10)+12;
        }    
        else if ((TimeMode==12) && (Cal.AMorPM=="AM"))
        {
            if (intHour==12)
                intHour-=12;
            Cal.Hours=parseInt(intHour,10);
        }
        else if (TimeMode==24)
            Cal.Hours=parseInt(intHour,10);    
    }
}
Calendar.prototype.SetHour=SetHour;

function SetMinute(intMin)
{
    var MinExp=new RegExp("^\\d\\d$");
    if (MinExp.test(intMin) && (intMin<60))
        Cal.Minutes=intMin;
}
Calendar.prototype.SetMinute=SetMinute;

function SetSecond(intSec)
{    
    var SecExp=new RegExp("^\\d\\d$");
    if (SecExp.test(intSec) && (intSec<60))
        Cal.Seconds=intSec;
}
Calendar.prototype.SetSecond=SetSecond;

function SetAmPm(pvalue)
{
    this.AMorPM=pvalue;
    if (pvalue=="PM")
    {
        this.Hours=(parseInt(this.Hours,10))+12;
        if (this.Hours==24)
            this.Hours=12;
    }    
    else if (pvalue=="AM")
        this.Hours-=12;    
}
Calendar.prototype.SetAmPm=SetAmPm;

function getShowHour()
{
    var finalHour;
    if (TimeMode==12)
    {
        if (parseInt(this.Hours,10)==0)
        {
            this.AMorPM="AM";
            finalHour=parseInt(this.Hours,10)+12;    
        }
        else if (parseInt(this.Hours,10)==12)
        {
            this.AMorPM="PM";
            finalHour=12;
        }        
        else if (this.Hours>12)
        {
            this.AMorPM="PM";
            if ((this.Hours-12)<10)
                finalHour="0"+((parseInt(this.Hours,10))-12);
            else
                finalHour=parseInt(this.Hours,10)-12;    
        }
        else
        {
            this.AMorPM="AM";
            if (this.Hours<10)
                finalHour="0"+parseInt(this.Hours,10);
            else
                finalHour=this.Hours;    
        }
    }
    else if (TimeMode==24)
    {
        if (this.Hours<10)
            finalHour="0"+parseInt(this.Hours,10);
        else    
            finalHour=this.Hours;
    }    
    return finalHour;    
}                
Calendar.prototype.getShowHour=getShowHour;        

function GetMonthName(IsLong)
{
    var Month=MonthName[this.Month];
    if (IsLong)
        return Month;
    else
        return Month.substr(0,3);
}
Calendar.prototype.GetMonthName=GetMonthName;

function GetMonDays()//Get number of days in a month
{
    var DaysInMonth=[31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31];
    if (this.IsLeapYear())
    {
        DaysInMonth[1]=29;
    }    
    return DaysInMonth[this.Month];    
}
Calendar.prototype.GetMonDays=GetMonDays;

function IsLeapYear()
{
    if ((this.Year%4)==0)
    {
        if ((this.Year%100==0) && (this.Year%400)!=0)
        {
            return false;
        }
        else
        {
            return true;
        }
    }
    else
    {
        return false;
    }
}
Calendar.prototype.IsLeapYear=IsLeapYear;

function FormatDate(pDate)
{
    if (this.Format.toUpperCase()=="DDMMYYYY")
        return (pDate+DateSeparator+(this.Month+1)+DateSeparator+this.Year);
    else if (this.Format.toUpperCase()=="DDMMMYYYY")
        return (pDate+DateSeparator+this.GetMonthName(false)+DateSeparator+this.Year);
    else if (this.Format.toUpperCase()=="MMDDYYYY")
        return ((this.Month+1)+DateSeparator+pDate+DateSeparator+this.Year);
    else if (this.Format.toUpperCase()=="MMMDDYYYY")
        return (this.GetMonthName(false)+DateSeparator+pDate+DateSeparator+this.Year);            
}
Calendar.prototype.FormatDate=FormatDate;   

Jitendra Faye replied to Ranjit on 24-Aug-11 06:24 AM

For binding calendar control with TextBox, Use JQuery Calendar Control.

For that you have to use JqueyUi plugin in your website, after that you can use Jquery calaendar Control.

Like this-

function funShowCal() {

$("#<%=txtDOB.ClientID%>").datepicker({

changeMonth: true,

changeYear: true

});

};

Here txtDOB is Server side TextBox Control.

For more detail follow this link-

http://jqueryui.com/demos/datepicker/

Here you will get working example.

dipa ahuja replied to Ranjit on 24-Aug-11 09:40 AM
Better to take Calender EXtender instead of this lengthy code

Date :<asp:TextBox ID="TextBox1" runat="server" ReadOnly="true"/>
<asp:TextBox ID="TextBox2" runat="server"></asp:TextBox>
<cc1:CalendarExtender ID="TextBox1_CalendarExtender" runat="server" Enabled="True"
TargetControlID="TextBox1"/>
<asp:CompareValidator ID="CompareValidator1" 
runat="server" ControlToValidate="TextBox1"
ErrorMessage="Enter Valid Date:" Operator="DataTypeCheck" Type="Date" 
Text="Enter Valid Date:" />