求助：网页程序内有treeview,已运行就报错
入题，查了很多资料还是没有解决，服务器没有安装vs,

承诺对于最终帮助解决问题的单独给50分，大家一定要帮帮我呀，已经浪费了很多时间了！

运行现象：

Parser   Error  
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.  

Parser   Error   Message:   Could   not   load   type   System.Web.UI.WebControls.TreeView   from   assembly   System.Web,   Version=1.0.5000.0,   Culture=neutral,   PublicKeyToken=b03f5f7f11d50a3a.

Source   Error:  


Line   144: <tr   height= "328 ">
Line   145:     <td   valign= "top "   bgcolor= "#E0E9EF ">
Line   146:         <asp:TreeView     ID= "TreeView1 "   runat= "server "   Font-Size= "X-Small "   BorderStyle= "None "   ForeColor= "Black "   NodeWrap= "True "   ShowLines= "True "   ExpandDepth= "1 ">
Line   147:             </asp:TreeView>
Line   148:     </td>
 


------解决方案--------------------
你的服务器支持asp.net 2.0吗？需要安装.Net framework 2.0
asp:TreeView 是asp.net 2.0中才有的