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The difference between &lt%= and &lt%# in ASP.NET

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  1. <%@ Page Language="C#" AutoEventWireup="true"  CodeFile="Default.aspx.cs" Inherits="_Default" %>
  2.  
  3. <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
  4.  
  5. <html xmlns="http://www.w3.org/1999/xhtml" >
  6. <head runat="server">
  7.     <title>Untitled Page</title>
  8. </head>
  9. <body>
  10.     <form id="form1" runat="server">
  11.     <div>
  12.         <p>Equals: <%= this.TestValue %></p>
  13.         <p>Pound: <%# this.TestValue %></p>
  14.         <p>Equals label: <asp:Label runat="server" ID="_equals" Text="<%= this.TestValue %>" /></p>
  15.         <p>Pound label: <asp:Label runat="server" ID="_pound" Text="<%# this.TestValue %>" /></p>
  16.     </div>
  17.     </form>
  18. </body>
  19. </html>
  20.  
  21. //And the code behind is:
  22.  
  23. public partial class _Default : System.Web.UI.Page 
  24. {
  25.     protected void Page_Load(object sender, EventArgs e)
  26.     {
  27.         _testValue = "2";
  28.     }
  29.  
  30.     protected void Page_PreRenderComplete(object sender, EventArgs e)
  31.     {
  32.         // DataBind();
  33.         _testValue = "3";
  34.     }
  35.  
  36.     public string TestValue
  37.     {
  38.         get { return _testValue; }
  39.     }
  40.  
  41.     private string _testValue = "1";
  42. }

URL: http://blogs.msdn.com/dancre/archive/2007/02/13/the-difference-between-lt-and-lt-in-asp-net.aspx

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