我用IE WebControls 控件从数据据库成生树，生成TreeView.dll出现了以下错误，，百思不得奇解，请各位高手帮忙

“/TreeView”应用程序中的服务器错误。
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配置错误
说明: 在处理向该请求提供服务所需的配置文件时出错。请检查下面的特定错误详细信息并适当地修改配置文件。

分析器错误信息: 访问被拒绝：“TreeView”。

源错误:


行 196： <add assembly="System.EnterpriseServices, Version=1.0.5000.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a"/>
行 197： <add assembly="System.Web.Mobile, Version=1.0.5000.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a"/>
行 198： <add assembly="*"/>
行 199： </assemblies>
行 200： </compilation>


源文件: c:\windows\microsoft.net\framework\v1.1.4322\Config\machine.config 行: 198

程序集加载跟踪: 下列信息有助于确定程序集“TreeView”无法加载的原因。


=== Pre-bind state information ===
LOG: DisplayName = TreeView
(Partial)
LOG: Appbase = file:///C:/Inetpub/wwwroot/TreeView
LOG: Initial PrivatePath = bin
Calling assembly : (Unknown).
===

LOG: Policy not being applied to reference at this time (private, custom, partial, or location-based assembly bind).
LOG: Post-policy reference: TreeView
LOG: Attempting download of new URL file:///C:/WINDOWS/Microsoft.NET/Framework/v1.1.4322/Temporary ASP.NET Files/treeview/8aa28402/5cc90487/TreeView.DLL.
LOG: Attempting download of new URL file:///C:/WINDOWS/Microsoft.NET/Framework/v1.1.4322/Temporary ASP.NET Files/treeview/8aa28402/5cc90487/TreeView/TreeView.DLL.
LOG: Attempting download of new URL file:///C:/Inetpub/wwwroot/TreeView/bin/TreeView.DLL.
LOG: Policy not being applied to reference at this time (private, custom, partial, or location-based assembly bind).
LOG: Post-policy reference: TreeView, Version=1.0.1456.33466, Culture=neutral, PublicKeyToken=null