This way
HTML:
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
</head>
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.10.2/jquery.min.js">
</script>
<body>
<form id="form1" runat="server">
<div>
<asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False">
<Columns>
<asp:TemplateField HeaderText="select">
<ItemTemplate>
<asp:CheckBox ID="CheckBox1" runat="server" onclick = "CheckBox_Clicked(this)" />
</ItemTemplate>
</asp:TemplateField>
<asp:BoundField DataField="Name" HeaderText="Name" ItemStyle-Width="150" />
<asp:BoundField DataField="Country" HeaderText="Country" ItemStyle-Width="150" />
</Columns>
</asp:GridView>
<script type = "text/javascript">
function CheckBox_Clicked(chk) {
var grid = chk.parentNode.parentNode.parentNode;
var chks = grid.getElementsByTagName("input");
for (var i = 0; i < chks.length; i++) {
if (chks[i].type == "checkbox" && chks[i] != chk) {
chks[i].disabled = chk.checked;
}
}
}
</script>
</div>
</form>
</body>
</html>
C#:
protected void Page_Load(object sender, EventArgs e)
{
if (!this.IsPostBack)
{
DataTable dt = new DataTable();
dt.Columns.AddRange(new DataColumn[3] { new DataColumn("Id", typeof(int)),
new DataColumn("Name", typeof(string)),
new DataColumn("Country",typeof(string)) });
dt.Rows.Add(1, "John Hammond", "United States");
dt.Rows.Add(2, "Mudassar Khan", "India");
dt.Rows.Add(3, "Suzanne Mathews", "France");
dt.Rows.Add(4, "Robert Schidner", "Russia");
GridView1.DataSource = dt;
GridView1.DataBind();
}
}