In this blog we will know the value of link button in a Grid
view.
Scenario
I have a grid view with username as the link button in a
template field. When user clicks on the link button then username value, which
is a link button, will be displayed in a label control.
<%@ Page Language="C#" AutoEventWireup="true"
CodeFile="Default.aspx.cs"
Inherits="_Default"
%>
<!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>Untitled Page</title>
</head>
<body>
<form
id="form1"
runat="server">
<div>
<asp:GridView ID="GridView1"
runat="server"
AutoGenerateColumns="False"
onselectedindexchanging="GridView1_SelectedIndexChanging" DataKeyNames="empname">
<Columns>
<asp:TemplateField HeaderText="Name">
<ItemTemplate>
<asp:LinkButton ID="lnkSelect" Text="" CommandName="Select" runat="server">
<%#Eval("empname")%>
</asp:LinkButton>
</ItemTemplate>
</asp:TemplateField>
</Columns>
</asp:GridView>
<asp:Label ID="Label1" runat="server"></asp:Label>
</div>
</form>
</body>
</html>
using System;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;
using System.Data.SqlClient;
public partial
class _Default
: System.Web.UI.Page
{
string connStr = ConfigurationManager.ConnectionStrings["ConnectionString"].ConnectionString;
DataSet ds = new DataSet();
SqlCommand com;
SqlConnection con;
SqlDataAdapter sqlda;
string str;
string str1;
protected void Page_Load(object
sender, EventArgs e)
{
if (!IsPostBack)
{
binddata();
}
}
void binddata()
{
con = new SqlConnection(connStr);
con.Open();
str = "select * from
employee";
com = new SqlCommand(str, con);
sqlda = new SqlDataAdapter(com);
ds = new DataSet();
sqlda.Fill(ds, "employee");
GridView1.DataSource = ds;
GridView1.DataMember = "employee";
GridView1.DataBind();
con.Close();
}
protected void GridView1_SelectedIndexChanging(object sender, GridViewSelectEventArgs
e)
{
GridView1.SelectedIndex = Convert.ToInt32(e.NewSelectedIndex);
str1 = GridView1.SelectedDataKey.Value.ToString();
Label1.Text = "<b>You
have selected employee Name:</b>" + str1;
binddata();
}
}