Single-value data binding is a different approach to dynamic text. : Databinding « Development « ASP.NET Tutorial






To use it, you add special data binding expressions into your .aspx files. 
These expressions have the following format:
<%# expression_goes_here %>



File: Default.aspx

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="SimpleDataBinding" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">

<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
    <title>Simple Data Binding</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
      <asp:Label id="lblDynamic" runat="server" Font-Size="X-Large" >
      There were <%# myValue %> transactions today.
      I see that you are using <%# Request.Browser.Browser %>.
      </asp:Label>

    </div>
    </form>
</body>
</html>

File: Default.aspx.cs

using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;

public partial class SimpleDataBinding : System.Web.UI.Page
{
    protected int myValue;

    protected void Page_Load(object sender, EventArgs e)
    {
        myValue = 10;
        // convert all the data binding expressions on the page.
        this.DataBind();
    }

}








9.10.Databinding
9.10.1.Single-value data binding is a different approach to dynamic text.
9.10.2.Bind URL with property
9.10.3.List based data binding
9.10.4.Map structure based data binding