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html
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="GridViewWithDDL.aspx.cs" Inherits="WebApplication1.GridViewWithDDL" %>
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:GridView ID="GridView1" runat="server" OnRowDataBound="GridView1_RowDataBound">
<Columns>
<asp:TemplateField HeaderText="Header">
<HeaderTemplate>
<asp:DropDownList ID="DropDownList1" runat="server"></asp:DropDownList>
</HeaderTemplate>
<ItemTemplate>
<asp:Label ID="Label1" runat="server" Text='<%# Eval("NAME") %>'></asp:Label>
</ItemTemplate>
</asp:TemplateField>
</Columns>
</asp:GridView>
</div>
</form>
</body>
</html>
C#
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Data;
namespace WebApplication1
{
public partial class GridViewWithDDL : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
DataTable dt = new DataTable();
dt.Columns.Add("NAME");
dt.Rows.Add(new object[] { "Frank" });
GridView1.DataSource = dt;
GridView1.DataBind();
}
protected void GridView1_RowDataBound(object sender, GridViewRowEventArgs e)
{
if (e.Row.RowType == DataControlRowType.Header)
{
if (GridView1.EditIndex == e.Row.RowIndex)
{
DropDownList ddlMonths = (DropDownList)e.Row.Cells[1].FindControl("DropDownList1");
ddlMonths.Items.Add(new ListItem("January", "1"));
ddlMonths.Items.Add(new ListItem("February", "2"));
}
}
}
}
}
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