<%@ 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) { // The value that we want is in column #9... 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) { // assign firstname 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; } } }
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