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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>
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this.Client.RegisterClientBlock(this.GetType(), "name", "<>alert('Ìáʾ£ºµãÎÒÁË!');</>", true);
Page.Client.RegisterClientBlock(this.GetType(), "name", "<>alert('Ìáʾ£ºµãÎÒÁË!);</>", true);
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Ajax ºÍ XML: ÎåÖÖ³£¼û Ajax ģʽ

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Ajax ºÍ XML:
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protected void Application_Error(Object sender, EventArgs e) {
if (Server.GetLastError() is HttpUnhandledException)
Server.Transfer("MyErrorPage.aspx");
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Request.Path: /testweb/default.aspx
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