这问题你能解决吗?
程序源代码如下:
<script runat="server" language="c#">
void Page_Load()
{
if(Request.Form["list1"]!="")
{
Message.Text="You have
selected"+Request.From["list1"];
}
}
</script>
<html>
<head>
<title>Drop Down List Example</title>
</head>
<body>
<asp:label id="message" runat="server"/>
<br/>
<form runat="server">
Which city do you wish to look at hotels for?<br/><br/>
<asp:dropdownlist id="list1" runat="server">
<asp:listitem>Madrid</asp:listitem>
<asp:listitem>Oslo</asp:listitem>
<asp:listitem>Lisbon</asp:listitem>
<asp:listitem>Xianggelila</asp:listitem>
</asp:dropdownlist>
<br/><br/><br/><br/><br/>
<input type="确定">
</form>
</body>
</html>
保存为listpage.aspx文件.编译出现这样的情况:
编译错误
说明: 在编译向该请求提供服务所需资源的过程中出现错误。请检查下列特定错误详细信息并适当地修改源代码。
编译器错误信息: CS0117: “System.Web.HttpRequest”并不包含对“From”的定义
源错误:
行 6: if(Request.Form["list1"]!="")
行 7: {
行 8: message.Text="You have selected"+Request.From["list1"];
行 9: }
行 10: }
源文件: D:\Documents and Settings\Administrator\桌面\ASP.net\listpage.aspx 行: 8
显示详细的编译器输出:
D:\WINNT\system32> "d:\winnt\microsoft.net\framework\v1.0.3705\csc.exe" /t:library /utf8output /R:"d:\winnt\microsoft.net\framework\v1.0.3705\mscorlib.dll" /R:"d:\winnt\assembly\gac\system.xml\1.0.3300.0__b77a5c561934e089\system.xml.dll" /R:"d:\winnt\assembly\gac\system.enterpriseservices\1.0.3300.0__b03f5f7f11d50a3a\system.enterpriseservices.dll" /R:"d:\winnt\assembly\gac\system.drawing\1.0.3300.0__b03f5f7f11d50a3a\system.drawing.dll" /R:"d:\winnt\assembly\gac\system.web.services\1.0.3300.0__b03f5f7f11d50a3a\system.web.services.dll" /R:"d:\winnt\assembly\gac\system.data\1.0.3300.0__b77a5c561934e089\system.data.dll" /R:"d:\winnt\assembly\gac\system\1.0.3300.0__b77a5c561934e089\system.dll" /R:"d:\winnt\assembly\gac\system.web\1.0.3300.0__b03f5f7f11d50a3a\system.web.dll" /out:"D:\WINNT\Microsoft.NET\Framework\v1.0.3705\Temporary ASP.NET Files\aspstudy\db8ef042\4db005\qfpxsfho.dll" /debug- /optimize+ /warnaserror /w:1 "D:\WINNT\Microsoft.NET\Framework\v1.0.3705\Temporary ASP.NET Files\aspstudy\db8ef042\4db005\qfpxsfho.0.cs"
Microsoft (R) Visual C# .NET Compiler version 7.00.9466
for Microsoft (R) .NET Framework version 1.0.3705
版权所有 (C) Microsoft Corporation 2001。保留所有权利。
D:\Documents and Settings\Administrator\桌面\ASP.net\listpage.aspx(8,37): error CS0117: “System.Web.HttpRequest”并不包含对“From”的定义
请问怎么解决呢?
解决即给分!!!