我下载了明日网络考试系统源码,附加了数据库后打开页面出错：<br/>Server Error in '/MrNetExam' Application.<br/>--------------------------------------------------------------------------------<br/><br/>Parser Error <br/>Description: An error occurred during the parsing of a resource required to service this request. Please review the following specific parse error details and modify your source file appropriately. <br/><br/>Parser Error Message: Could not load type 'Default'.<br/><br/>Source Error: <br/><br/><br/>Line 1:&nbsp;&nbsp;&lt;%@ Page Language=&quot;C#&quot; AutoEventWireup=&quot;true&quot;&nbsp;&nbsp;CodeFile=&quot;Default.aspx.cs&quot; Inherits=&quot;Default&quot; %&gt;<br/>Line 2:&nbsp;&nbsp;<br/>Line 3:&nbsp;&nbsp;&lt;!DOCTYPE html PUBLIC &quot;-//W3C//DTD XHTML 1.0 Transitional//EN&quot; &quot;<a href="http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd" target="_blank">http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd&quot;</a>;&gt;<br/><br/><br/>Source File: C:\Inetpub\wwwroot\MrNetExam\Default.aspx&nbsp;&nbsp;&nbsp;&nbsp;Line: 1 <br/><br/><br/>--------------------------------------------------------------------------------<br/>Version Information: Microsoft .NET Framework Version:1.1.4322.573; ASP.NET Version:1.1.4322.573 <br/>请问大家这是什么问题，该如何解决啊？