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1¡¢¼Ì³Ð System.Web.UI.Page£¬×Ô¶©Ò»¸ö BasePage Àà±ð¡£
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using
 System;   

  

/// <summary>
  

/// BasePage µÄÕªÒªÃèÊö
  

/// </summary>
  

public
 
class
 BasePage : System.Web.UI.Page
  

{   

    
public
 BasePage() { }   

}  

2¡¢ÔÚ BasePage Àà±ðµ×ÏÂ׫д SetActionStamp ·½·¨£¬Ä¿µÄÊÇÔÚ Session ´æ·ÅÒ»¸öϵͳʱ¼ä´Á¼Ç¡£
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/// <summary>
  

/// 設ÖôÁ記
  

/// </summary>
  

private
 
void
 SetActionStamp()
  

{   

    Session[
"actionStamp"
] = Server.UrlEncode(DateTime.Now.ToString());
  

}  

3¡¢´¦Àí PreRender ʼþ£¬ÔÚÍøÒ³³õ´ÎÔØÈëʱÉèÖôÁ¼Ç£¬ÇÒÿ´ÎÔØÈëÖ´ÐÐʱ»á°Ñ¸Ã´Á¼Ç´æ·Åµ½ HiddenField Àï¡£
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public
 BasePage() { 
this
.PreRender += 
new
 EventHandler(Page_PreRender); }
  

  

void
 Page_PreRender(
object
 sender, EventArgs e)
  

{   

    
if
 (!IsPostBack)   

    {   

        SetActionStamp();   

    }   

  

    ClientScript.RegisterHiddenField(
"actionStamp"
, Session[
"actionStamp"
].ToString());
  

}  

4¡¢×Ô¶© IsRefresh ÊôÐÔ£¬½åÓÉÅÐ¶Ï HiddenField ´æ·ÅµÄ´Á¼ÇÊÇ·ñµÈÓÚ Session
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<asp:FileUpload ID="FileUpload1" runat="server" /><br />
<asp:Button ID="btn" runat="server" Text="È·¶¨" OnClick="btn_Click"/>
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protected void btn_Click(object sender, EventArgs e)
{
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asp.net + jquery

<script type="text/javascript">
var loginName,checkUN,password,confirmPwd,email,subBtn,userName,checkTel,tel;
$(init);
function init()
{
    loginName = $("#loginName");
    loginName.bind("blur",checkUserName);
    password = $("#password"); ......

ASP.NET AJAX ·þÎñÆ÷¶Ë±à³ÌѧϰС½á

    ×î½ü¿ªÊ¼ÁËASP.NET AJAXµÄÈ«ÃæÑ§Ï°¡£ÔÚ·þÎñ¶Ë±à³ÌÕâ¿éÖ÷ÒªÓм¸¸ö·þÎñÆ÷¿Ø¼þ¸ºÔð£¬ËûÃÇ·Ö±ðΪ:ScriptManager,Timer,UpdatePanel,UpdateProgress.
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