在ASP.NET中如何实现如C#中的TabControl的效果呢？？

感谢您使用微软产品。要在WebForm中实现类似WinForm中TabControl控件的外观，您可以试一下WebControls 1.0中的TabStrip控件。WebControls 1.0可以从以下地址下载：
http://msdn.microsoft.com/downloads/samples/internet/default.asp?url=/Downloads/samples/Internet/ASP_DOT_NET_ServerControls/WebControls/default.asp 您可以在以下地址看以下TabStrip控件的效果：
http://www.gotdotnet.com/team/webcontrols/tab/tab1.aspx
http://www.gotdotnet.com/team/webcontrols/tab/tab2.aspx 关于TabStrip控件的文档资料，您可以在以下地址获得：
http://msdn.microsoft.com/library/default.asp?url=/workshop/webcontrols/overview/tabstrip.asp?frame=true
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大家帮我运行以下代码，为什么会出错呢？
<%@ Import Namespace="System.Web.UI.WebControls" %>
<%@ Register TagPrefix="mytab" Namespace="Microsoft.Web.UI.WebControls" Assembly="Microsoft.Web.UI.WebControls" %><head>
<TITLE>WebControls: TabStrip and MultiPage</TITLE>
</head><body style="font-family: verdana; font-size: x-small;">
<BLOCKQUOTE CLASS="body">
<h1>WebControls: TabStrip and MultiPage</h1>
<hr>
<form id=f1 runat="server"><mytab:TabStrip id="tsHoriz" runat="server"
    Style="font-weight:bold"
    TabDefaultStyle="border:solid 1px black;background:#dddddd;padding-left:5px;padding-right:5px;"
    TabHoverStyle="color:red"
    TabSelectedStyle="border:solid 1px black;border-bottom:none;background:white;padding-left:5px;padding-right:5px;"
    SepDefaultStyle="border-bottom:solid 1px #000000;"
    TargetID="mpHoriz">

    <mytab:Tab Text="Inbox" />
    <mytab:TabSeparator />
    <mytab:Tab Text="Compose" />
    <mytab:TabSeparator />
    <mytab:Tab Text="Addresses" />
    <mytab:TabSeparator DefaultStyle="width:100%" /></mytab:TabStrip><mytab:MultiPage id="mpHoriz" runat="server"
    Style="border:solid 1px #000000;border-top:none;padding:5px;height:250">

    <mytab:PageView>
        <table style="width:95%;font-size:x-small;background:#dddddd" bordercolor="#FFFFFF" border=1 cellspacing=0 cellpadding=1>
        <tr style="font-weight:bold"><td> </td><td>From</td><td>Subject</td><td>Date</td></tr>
        <tr><td><asp:checkbox runat="server" /></td><td>Me</td><td>Welcome to the TabControl</td><td>Mon 11/27/2000 11:23 AM</td></tr>
        <tr><td><asp:checkbox runat="server" /></td><td>You</td><td>Wow, this is great!</td><td>Tue 11/28/2000 2:03 AM</td></tr>
        <tr><td><asp:checkbox runat="server" /></td><td>The Team</td><td>Cool, we needed this!</td><td>Tue 11/28/2000 3:45 PM</td></tr>
        <tr><td><asp:checkbox runat="server" /></td><td>The Boss</td><td>Wow, it even renders nicely for me!</td><td>Tue 11/28/2000 6:13 PM</td></tr>
        </table>
    </mytab:PageView>
    <mytab:PageView>
        <table>
        <tr><td>To:</td><td><asp:textbox runat="server" /></td></tr>
        <tr><td>From:</td><td><asp:textbox runat="server" /></td></tr>
        <tr><td>Subject:</td><td><asp:textbox runat="server" /></td></tr>
        </table>
        <asp:TextBox runat="server" rows=5 columns=30 textmode=multiline />
    </mytab:PageView>

    <mytab:PageView>
        <table style="width:95%;font-size:x-small;background:#dddddd" bordercolor="#FFFFFF" border=1 cellspacing=0 cellpadding=1>
        <tr style="font-weight:bold"><td> </td><td>Name</td><td>Email</td></tr>
        <tr><td><asp:checkbox runat="server" /></td><td>me</td><td>[email protected] </td></tr>
        <tr><td><asp:checkbox runat="server" /></td><td>you</td><td>[email protected] </td></tr>
        <tr><td><asp:checkbox runat="server" /></td><td>The Team</td><td>[email protected] </td></tr>
        <tr><td><asp:checkbox runat="server" /></td><td>The Boss</td><td>[email protected]</td></tr>
        </table>
    </mytab:PageView>

</mytab:MultiPage></form>
   <div>
    <BUTTON style="BEHAVIOR: url('../viewsrc.htc')" src="./source/tab2.src" type="button">
     View Web Page Source</BUTTON>
   </div>

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</BLOCKQUOTE>
</body>
</html>