http://msdn.microsoft.com/en-us/library/vstudio/f0111sbh(v=vs.100).aspx 底下為程式碼 <%@ Page Language="C#" %> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <script runat="server"> protected void Page_Load(object sender, EventArgs e) { if (IsPostBack) { Response.Write("<br />Page has been posted back."); } } </script> <html xmlns="http://www.w3.org/1999/xhtml" > <head id="Head1" runat="server"> <title>Untitled Page</title> </head> <body> <form id="form1" runat="server"> <div> Hello.<br /> <asp:Button ID="Button1" runat="server" Text="Click to Post Back" /> </div> </form> </body> </html>