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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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ScriptManager.RegisterStartupScript(UP, UP.GetType(), "", "alert('µãÎÒÁË');", true);
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//UPÊÇupdatepanel µÄID
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@import url(¡°layout.css¡±)
CSS Selectors: *, p, div span, div > span, *[href], li+li, .title, #container, #title p:first-child, a:link, a:hover, a:visited, p:before, p:after
p:after{content:¡¯url(images/quote.gif)¡¯}
!important State Mode: Off, InProc, StateServer, SQLServer, C ......

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<head runat="server">
    <title>ÎÞ±êÌâÒ³</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
        <asp:ScriptManager ID="ScriptManage ......

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using System.Text.RegularExpressions;
Regex reg = new Regex(@"^\d+$"); //ÑéÖ¤×Ö·û´®
        Response.Write( reg.IsMatch(""));
        Response.Write(reg.IsMatch("sf"));
        Response.Write ......
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