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<form id="form1" runat="server">
    <asp:ScriptManager ID="ScriptManager1" runat="server">
    </asp:ScriptManager>
    <div>
    <asp:updatepanel ID="UP" runat="server">
      <ContentTemplate>
        <asp:Button runat="server" Text="Button" onclick="Unnamed2_Click" />
      </ContentTemplate>
   </asp:updatepanel>
    </div>
</form>
ASP.NET2.0ÖÐAJAXʹÓÃеÄManager ÀàÀ´¹ÜÀí£¬¶ø²»¼æÈÝÔ­À´µÄ ClientManager Àà ,ËùÒÔÓÃresponse.write("<script>alert('Ìáʾ£ºµãÎÒÁË!')</script>")ºÍ
this.Client.RegisterClientBlock(this.GetType(), "name", "<>alert('Ìáʾ£ºµãÎÒÁË!');</>", true);
Page.Client.RegisterClientBlock(this.GetType(), "name", "<>alert('Ìáʾ£ºµãÎÒÁË!);</>", true);
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ScriptManager.RegisterStartupScript(UP, UP.GetType(), "", "alert('µãÎÒÁË');", true);
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//UPÊÇupdatepanel µÄID
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ajax  Detail.aspxÒ³Ãæ
 protected void Page_Load(object sender, EventArgs e)
    {
        Thread.Sleep(500);
        string Keyid = Request.QueryString["Id"].ToString();
      ......

ajax XMLHttpRequest post get

/*ÔÚÓÐÖÐÎIJÎÊýʱ,½ÓÊÕ·½ÐèҪʹÓÃUTF-8·½Ê½¶ÔÊý¾Ý½øÐнâÂë
*²»Ö§³Öpost¸½¼þ
*/
function getXmlHttpRequest() {
    var xmlHttpRequest = null;
    try {
        xmlHttpRequest = new ActiveXObject("Msxml2.XMLHTTP");
    } ......

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e.g
// in global.asax
protected void Application_Error(Object sender, EventArgs e) {
if (Server.GetLastError() is HttpUnhandledException)
Server.Transfer("MyErrorPage.aspx");
//ÆäÓàµÄ·ÇHttpUnhandledExceptio ......
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