好奇怪的问题哦,如题:代码如下:(希望大家帮帮忙!谢谢)
<%@ Page language="c#" Codebehind="C_main.aspx.cs" AutoEventWireup="false" Inherits="天天新闻网.admin.C_user" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" >
<HTML>
<HEAD>
<title id="title" runat=server></title>
<meta content="Microsoft Visual Studio .NET 7.1" name="GENERATOR">
<meta content="C#" name="CODE_LANGUAGE">
<meta content="JavaScript" name="vs_defaultClientScript">
<meta content="http://schemas.microsoft.com/intellisense/ie5" name="vs_targetSchema">
</HEAD>
<body MS_POSITIONING="GridLayout" background="../main_img/bg.gif">
<form id="Form1" method="post" runat="server">
<FONT face="宋体">
<DIV style="Z-INDEX: 101; LEFT: 100px; WIDTH: 802px; POSITION: absolute; TOP: 0px; HEIGHT: 600px"
ms_positioning="GridLayout">
<DIV style="Z-INDEX: 101; LEFT: 0px; WIDTH: 100px; POSITION: absolute; TOP: 20px; HEIGHT: 600px"
ms_positioning="FlowLayout"><asp:button id="Button1" runat="server" Width="100px" Text="用户管理"></asp:button>
<asp:button id="Button2" runat="server" Width="100px" Text="新闻管理"></asp:button>
<asp:button id="Button3" runat="server" Width="100px" Text="笑话管理"></asp:button>
<asp:button id="Button4" runat="server" Width="100px" Text="论文管理"></asp:button>
<asp:button id="Button5" runat="server" Width="100px" Text="散文管理"></asp:button>
<asp:button id="Button6" runat="server" Width="100px" Text="投票管理"></asp:button>
<asp:Button id="Button7" runat="server" Text="退出系统" Width="100px"></asp:Button></DIV>
<DIV style="Z-INDEX: 101; LEFT: 100px; WIDTH: 700px; POSITION: absolute; TOP: 20px; HEIGHT: 600px"
ms_positioning="FlowLayout"><asp:label id="Label1" runat="server" Width="700px" Height="216px"></asp:label></DIV>
</DIV>
</FONT>
</form>
</body>
</HTML>
就是上面红色部分,一会儿过后自己就不见了,运行时就报错!添加上了后好了!过一会儿有不见了,为什么啊???
[求助]runat=server标签自动消失??????