Populating a DropDownList in a RadGrid Edit Template

In order to get a reference to a DropDownList (or any other control that needs to be populated or configured) during an edit using a RadGrid edit template, you need to do three things:

1. Declare an event handler for the ItemDataBound event in the ReadGrid tag.

OnItemDataBound="RadGrid1_ItemDataBound"

2. Add the control to your template.

<asp:DropDownList ID="ddl" runat="server"> </asp:DropDownList>

3. Add the event handler to the code-behind.

protected void RadGrid1_ItemDataBound(object sender, GridItemEventArgs e)
{
    if ((e.Item is GridEditFormItem) && (e.Item.IsInEditMode))
    {
        GridEditFormItem editform = (GridEditFormItem)e.Item;
        DropDownList ddl = (DropDownList)editform.FindControl("ddl");
        ddl.Items.Add("foo");
        ddl.Items.Add("bar");
    }
} 

Applies to: RadGrid for ASP.NET AJAX Version Q3 2008