C# .NET - modal popup not working

Asked By abinav shankar on 06-Feb-12 12:34 AM
Hi

I want to get a Modal popup and I used the following code shown below( and pl check the attachment for more details) and tell me where I went wrong I used the script manager in my master page .
<table class="style1">
    <tr>
      <td>
         </td>
      <td>
         </td>
      <td>
         </td>
      <td>
         </td>
    </tr>
    <tr>
      <td width="20%">
         </td>
      <td width="60%" colspan="2">
        <asp:GridView ID="grdApproval" runat="server" AutoGenerateColumns="False" 
          HeaderStyle-CssClass="tblBackground" HeaderStyle-Font-Bold="true" 
          HeaderStyle-ForeColor="White"> 
            
          <Columns>
            <asp:TemplateField HeaderText="Associate ID">
              <ItemTemplate>
                <asp:LinkButton ID="lnkAssId" Text='<%# Eval("associate_id") %>' runat="server" 
                  onclick="lnkAssId_Click">LinkButton</asp:LinkButton>
              </ItemTemplate>
            </asp:TemplateField>
            <asp:TemplateField HeaderText="Associate Name">
              <ItemTemplate>
                <asp:Label ID="lblAssoName" Text='<%# Eval("associate_fname") %>' runat="server"></asp:Label>
              </ItemTemplate>
            </asp:TemplateField>
            <asp:TemplateField HeaderText="Department">
              <ItemTemplate>
                <asp:Label ID="lblDepartment" Text='<%# Eval("dept_name") %>' runat="server"></asp:Label>
              </ItemTemplate>
            </asp:TemplateField>
            <asp:TemplateField HeaderText="Designation">
              <ItemTemplate>
                <asp:Label ID="lblDesignation" Text='<%# Eval("desig_name") %>' runat="server"></asp:Label>
              </ItemTemplate>
            </asp:TemplateField>
            <asp:TemplateField HeaderText="Leave Type">
              <ItemTemplate>
                <asp:Label ID="lblLeaveType" Text='<%# Eval("leave_type") %>' runat="server"></asp:Label>
              </ItemTemplate>
            </asp:TemplateField>
            <asp:TemplateField HeaderText="From">
              <ItemTemplate>
                <asp:Label ID="lblFrom" Text='<%# Eval("from_date") %>' runat="server"></asp:Label>
              </ItemTemplate>
            </asp:TemplateField>
            <asp:TemplateField HeaderText="To">
              <ItemTemplate>
                <asp:Label ID="lblTo" Text='<%# Eval("to_date") %>' runat="server"></asp:Label>
              </ItemTemplate>
            </asp:TemplateField>
            <asp:TemplateField HeaderText="Approve">
              <ItemTemplate>
                <asp:LinkButton ID="lnkApprove" runat="server" onclick="lnkApprove_Click">Approve</asp:LinkButton>
                  
              </ItemTemplate>
            </asp:TemplateField>
            <asp:TemplateField HeaderText="Reject">
              <ItemTemplate>
                <asp:LinkButton ID="lnkReject" runat="server" onclick="lnkReject_Click">Reject</asp:LinkButton>
                  
              </ItemTemplate>
            </asp:TemplateField>
          </Columns>
        </asp:GridView>
      </td>
      <td width="20%">
        <asp:Label ID="Label3" runat="server" Text="Label" Visible="False"></asp:Label>
        <asp:ValidationSummary ID="ValidationSummary1" runat="server" 
          ShowMessageBox="True" ShowSummary="False" ValidationGroup="a" />
      </td>
    </tr>
    <tr>
      <td width="20%">
          
      </td>
      <td width="60%" colspan="2">
        <%--</form>--%>
      <asp:Button ID="btnShowPopup" runat="server" style="display:none" />
</td>
      <td width="20%">
      <asp:Panel ID="pnlpopup" runat="server" BackColor="White" Height="150px" Width="400px" style="display:none">
<table width="100%" style="border:Solid 3px #D55500; width:100%; height:100%" cellpadding="0" cellspacing="0">
<tr style="background-color:#D55500">
<td colspan="2" style=" height:10%; color:White; font-weight:bold; font-size:larger" align="center">
  Associate Details</td>
</tr>
<tr>
<td align="right">
  Reject Reason:
</td>
<td>
<asp:TextBox ID="txtRejreason" runat="server" TextMode="MultiLine"/>
</td>
</tr>
<tr>
<td>
</td>
<td>
<asp:Button ID="btnOk" CommandName="Update" runat="server" Text="Ok" 
    onclick="btnOk_Click1" CssClass="btnStyle"/>
</td>
</tr>
</table>
</asp:Panel>
      <cc1:ModalPopupExtender ID="ModalPopupExtender1" runat="server" TargetControlID="btnShowPopup" PopupControlID="pnlpopup"
CancelControlID="btnCancel" BackgroundCssClass="modalBackground">
</cc1:ModalPopupExtender>


Code behind

protected void lnkReject_Click(object sender, EventArgs e)
   {
     try
     {
       LinkButton lnkReject = (LinkButton)sender;
       GridViewRow gvRowApprove = (GridViewRow)lnkReject.NamingContainer;
       LinkButton lnkAssid = (LinkButton)gvRowApprove.FindControl("lnkAssId");
       Label lblleaveType = (Label)gvRowApprove.FindControl("lblLeaveType");
       int leaveId = objApproveOrReject.getLeaveReqId(lnkAssid.Text.Trim(), "pending", lblleaveType.Text);
       Session["LeaveType"] = lblleaveType.Text;
       Session["leaveId"] = leaveId;
       this.ModalPopupExtender1.Show();
       //string url = "lms_Rejection.aspx";
       //ScriptManager.RegisterClientScriptBlock(Page, Page.GetType(), "openPopup", "window.open('" + url + "','_blank','height=400,width=400,status=yes,toolbar=no,menubar=no,location=yes,scrollbars=yes,resizable=no,titlebar=no' );", true);
     }
     catch (Exception ex)
     {
       throw (ex);
     }
   }

Pl help me it very urgentNew folder (2).zip
[)ia6l0 iii replied to abinav shankar on 06-Feb-12 09:07 AM
Couple of things that I could quickly notice:

a) I don't see the variable "url" defined anywhere. 
b) Do not catch and throw exceptions. You lose the stacktrace. So catch, and then just throw.

So, Instead of 
catch (Exception ex) 
{ 
  throw ex;
} 

Use,
catch (Exception ex) 
{ 
  //do whatever you want with the exception
  throw;
} 

And also after you render this page, right-click on the page, and see the view source. That would give you more information on the actual script errors.

Hope this helps.