<%@ Page Language="C#" AutoEventWireup="true" CodeFile="TestDDL.aspx.cs" Inherits="TestDDL" %>
<%@ Register Assembly="AjaxControlToolkit" Namespace="AjaxControlToolkit" TagPrefix="cc1" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
</head>
<body>
<form id="form1" runat="server">
<asp:ScriptManager ID="ScriptManger1" runat="server">
</asp:ScriptManager>
<div>
</div>
<style>
.invisibleColumn
{
display: none;
width: 0px;
}
body
{
font-family: Arial;
font-size: 12px;
}
</style>
<script type="text/javascript">
function getValue(obj) {
document.getElementById('<%=txtFriend.ClientID %>').value = obj;
}
</script>
<asp:UpdatePanel ID="Update1" runat="server">
<ContentTemplate>
<cc1:DropDownExtender ID="DropDownExtender1" DropDownControlID="FriendGridView" TargetControlID="txtFriend"
runat="server">
</cc1:DropDownExtender>
<asp:TextBox ID="txtFriend" runat="server" Width="200px"></asp:TextBox>
<asp:GridView ID="FriendGridView" runat="server" Width="200px" AutoGenerateColumns="false"
OnRowDataBound="FriendGridView_RowDataBound" OnSelectedIndexChanged="FriendGridView_SelectedIndexChanged">
<RowStyle BackColor="#DDDDDD" />
<Columns>
<asp:BoundField DataField="ID" HeaderStyle-CssClass="invisibleColumn" ItemStyle-CssClass="invisibleColumn" />
<asp:BoundField DataField="Name" HeaderText="Name" />
<asp:BoundField DataField="Description" HeaderText="Description" />
</Columns>
<HeaderStyle BackColor="Blue" ForeColor="White" />
<AlternatingRowStyle BackColor="#EEEEEE" />
<SelectedRowStyle BackColor="#999999" />
</asp:GridView>
</ContentTemplate>
</asp:UpdatePanel>
</form>
</body>
</html>
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
public partial class TestDDL : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
FriendGridView.DataSource = GetFriends();
FriendGridView.DataBind();
}
}
protected void FriendGridView_RowDataBound(object sender, GridViewRowEventArgs e)
{
if (e.Row.RowType == DataControlRowType.DataRow)
{
string valueText = e.Row.Cells[1].Text;
string clickHandler = string.Format("alert('Value in column #9 is {0}')", valueText);
e.Row.Attributes.Add("onclick", "getValue('" + valueText + "')");
}
}
public List<Friend> GetFriends()
{
List<Friend> users = new List<Friend>();
users.Add(new Friend("Xyz", "Coder"));
users.Add(new Friend("Abc", "Writer"));
users.Add(new Friend("Charles", "Poet"));
return users;
}
protected void FriendGridView_SelectedIndexChanged(object sender, EventArgs e)
{
if (FriendGridView.SelectedRow != null)
txtFriend.Text = Server.HtmlDecode(
FriendGridView.SelectedRow.Cells[1].Text);
else
txtFriend.Text = "";
}
}
public class Friend
{
public Friend(string name, string description)
{
_name = name;
_description = description;
_id = Guid.NewGuid().ToString();
}
private string _id;
public string Id
{
get { return _id; }
set { _id = value; }
}
private string _name;
public string Name
{
get { return _name; }
set { _name = value; }
}
private string _description;
public string Description
{
get { return _description; }
set { _description = value; }
}
}
