C# UpdateProgress 控件介绍 UpdatePanel

From:   http://technet.microsoft.com/zh-cn/library/bb386421(zh-tw).aspx

<%@ Page Language="C#" %>

"-//W3C//DTD XHTML 1.0 Transitional//EN" 
 "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">



"http://www.w3.org/1999/xhtml" >
"Head1" runat="server">
    
    


    
"form1" runat="server">
    

        "ScriptManager1" runat="server">
        
        "UpdatePanel1" runat="server">
            
                

                
UpdatePanel1
                "Label1" runat="server" Text="Panel initially rendered.">
                

                "Button1" runat="server" Text="Button" OnClick="Button1_Click" />
                "UpdateProgress1" runat="server" AssociatedUpdatePanelID="UpdatePanel1">
                    
                        Panel1 updating...
                    
                
                
            
        
        "UpdatePanel2" runat="server">
            
                

                
UpdatePanel2
                "Label2" runat="server" Text="Panel initially rendered.">
                

                "Button2" runat="server" Text="Button" OnClick="Button2_Click" />
                "UpdateProgress2" runat="server" AssociatedUpdatePanelID="UpdatePanel2">
                    
                        Panel2 updating....