問：
我用vs.net2003測試一個小程序，能正常運行。但把它發布到安裝framework1.0的服務器上，出現如下錯誤：
代碼如下：
========================================
private void Page_Load(object sender, System.EventArgs e)
{
try
{
string s = this.Request.Params["Folder"]; //如果刪除這句，1.0的服務器上運行就會正常。
}
catch{}
}
上面那句導致的錯誤catch無法捕獲。運行時候瀏覽器中顯示如下錯誤：
=================================
File or assembly name System, or one of its dependencies, was not found.
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.
Exception Details: System.IO.FileNotFoundException: File or assembly name System, or one of its dependencies, was not found.
Source Error:
An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.
Assembly Load Trace: The following information can be helpful to determine why the assembly 'System' could not be loaded.
=== Pre-bind state information ===
LOG: DisplayName = System, Version=1.0.5000.0, Culture=neutral, PublicKeyToken=b77a5c561934e089
(Fully-specified)
LOG: Appbase = file:///E:/wwwroot/aspxuser/hahahawk.17163.com
LOG: Initial PrivatePath = bin
Calling assembly : Wrox.WebModules.FileManager.Web, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null.
===
LOG: Publisher policy file is not found.
LOG: No redirect found in host configuration file (C:\WINNT\Microsoft.NET\Framework\v1.0.3705\aspnet.config).
LOG: Using machine configuration file from C:\WINNT\Microsoft.NET\Framework\v1.0.3705\config\machine.config.
LOG: Post-policy reference: System, Version=1.0.5000.0, Culture=neutral, PublicKeyToken=b77a5c561934e089
LOG: Attempting download of new URL file:///C:/WINNT/Microsoft.NET/Framework/v1.0.3705/Temporary ASP.NET Files/root/646c7f18/82ce05e1/System.DLL.
LOG: Attempting download of new URL file:///C:/WINNT/Microsoft.NET/Framework/v1.0.3705/Temporary ASP.NET Files/root/646c7f18/82ce05e1/System/System.DLL.
LOG: Attempting download of new URL file:///E:/wwwroot/aspxuser/hahahawk.17163.com/bin/System.DLL.
LOG: Attempting download of new URL file:///E:/wwwroot/aspxuser/hahahawk.17163.com/bin/System/System.DLL.
LOG: Attempting download of new URL file:///C:/WINNT/Microsoft.NET/Framework/v1.0.3705/Temporary ASP.NET Files/root/646c7f18/82ce05e1/System.EXE.
LOG: Attempting download of new URL file:///C:/WINNT/Microsoft.NET/Framework/v1.0.3705/Temporary ASP.NET Files/root/646c7f18/82ce05e1/System/System.EXE.
LOG: Attempting download of new URL file:///E:/wwwroot/aspxuser/hahahawk.17163.com/bin/System.EXE.
LOG: Attempting download of new URL file:///E:/wwwroot/aspxuser/hahahawk.17163.com/bin/System/System.EXE.
Stack Trace:
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