ASP.NET - how to use GridView1_RowDataBound event

Asked By bretto kumar A on 30-Mar-09 02:27 AM
hi i my application i hav to use rowdatabiund event

plz can u giv idea abt that

Your Question is unclear about the requirement. However, check out if the reply helps.

[)ia6l0 iii replied to bretto kumar A on 30-Mar-09 02:50 AM

The RowDataBound event fires when a row is bound to the gridview with data.

If you want to add such a event to the gridview, you can follow the below line.

<asp:GridView OnRowDataBound="GridViewRowEventHandler" />

And then in the code behind, you can handle all the stuff that you need to do with the row object.

More info avilable at

http://msdn.microsoft.com/en-us/library/system.web.ui.webcontrols.gridview.rowdatabound.aspx

RowDataBound Event

Kalit Sikka replied to bretto kumar A on 30-Mar-09 05:25 AM

The RowDataBound event is raised when a data row (represented by a http://msdn.microsoft.com/en-us/library/system.web.ui.webcontrols.gridviewrow%28VS.80%29.aspx object) is bound to data in the GridView control. This allows you to provide an event-handling method that performs a custom routine, such as modifying the values of the data bound to the row, whenever this event occurs.

A http://msdn.microsoft.com/en-us/library/system.web.ui.webcontrols.gridviewroweventargs%28VS.80%29.aspx object is passed to the event-handling method, which allows you to access the properties of the row being bound. To access a specific cell in the row, use the http://msdn.microsoft.com/en-us/library/system.web.ui.webcontrols.tablerow.cells%28VS.80%29.aspx property of the GridViewRowEventArgs object. You can determine which row type (header row, data row, and so on) is being bound by using the http://msdn.microsoft.com/en-us/library/system.web.ui.webcontrols.gridviewrow.rowtype%28VS.80%29.aspx property.

Sample:


<%@ Page language="C#" %>

<script runat="server">

  void CustomersGridView_RowDataBound(Object sender, GridViewRowEventArgs e)
  {
       
    if(e.Row.RowType == DataControlRowType.DataRow)
    {
      // Display the company name in italics.
      e.Row.Cells[1].Text = "<i>" + e.Row.Cells[1].Text + "</i>";
       
    }
   
  }

</script>

<html>
  <body>
    <form runat="server">
       
      <h3>GridView RowDataBound Example</h3>

      <asp:gridview id="CustomersGridView"
        datasourceid="CustomersSqlDataSource"
        autogeneratecolumns="true"
        allowpaging="true"
        onrowdatabound="CustomersGridView_RowDataBound"
        runat="server">
      </asp:gridview>
           
      <!-- This example uses Microsoft SQL Server and connects  -->
      <!-- to the Northwind sample database. Use an ASP.NET     -->
      <!-- expression to retrieve the connection string value   -->
      <!-- from the Web.config file.                            -->
      <asp:sqldatasource id="CustomersSqlDataSource" 
        selectcommand="Select [CustomerID], [CompanyName], [Address], [City], [PostalCode], [Country] From [Customers]"
        connectionstring="<%$ ConnectionStrings:NorthWindConnectionString%>"
        runat="server">
      </asp:sqldatasource>
           
           
    </form>
  </body>
</html>

TRY THIS

C_A P replied to bretto kumar A on 30-Mar-09 05:51 AM

You can certainly retrieve the value a number of ways within the RowDataBound event. If the you are using BoundFields and know the exact column within the GridView then you can do something like: 

protected void gv_RowDataBound(object sender, GridViewRowEventArgs e)
{
	// Retrieve row
	GridViewRow gvr = e.Row;

	// Determine row type
	switch (gvr.RowType)
	{
		case DataControlRowType.DataRow:
		{
			// Retrieve value
			string value = gvr.Cells[1].Text;

			break;
		}
	}
}
 If you are using a TemplateField with the data bound to a control, then pull it out of the control as so:  
protected void gv_RowDataBound(object sender, GridViewRowEventArgs e)
{
	// Retrieve row
	GridViewRow gvr = e.Row;

	// Determine row type
	switch (gvr.RowType)
	{
		case DataControlRowType.DataRow:
		{
			// Retrieve control
			TextBox txtId = gvr.FindControl("txtId") as TextBox;

			// Retrieve value
			string value = txtId.Text;

			break;
		}
	}
}
 To place data within a hyperlink in your GridView, you can do it within the ItemTemplate or use a HyperLinkField as so:  
<asp:gridview runat="server">
	<columns>
		<asp:hyperlinkfield datanavigateurlfields="hyperlink_url" datatextfield="hyperlink_text" />
		<asp:templatefield>
			<itemtemplate>
				<asp:hyperlink id="hyp" runat="server" navigateurl='<%# Eval("hyperlink_url") %>' text='<%# Eval("hyperlink_text") %>' />
			</itemtemplate>
		</asp:templatefield>
	</columns>tr
</asp:gridview>
 
TRY THIS
C_A P replied to bretto kumar A on 30-Mar-09 05:54 AM
protected void GridView1_RowDataBound(object sender, GridViewRowEventArgs e)

{

if (e.Row.RowType == DataControlRowType.Header)

{

TableCellCollection cells = e.Row.Cells;

foreach (TableCell cell in cells)

{

cell.Text = http://highoncoding.com/Articles/177_Sorting_GridView_Bound_Columns.aspx#.HtmlDecode(GenerateScript(GridView1.UniqueID, cell.Text)); }}}

help
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