Help me ,Please 关于treeview 的使用问题

jygdragon 2004-03-05 06:09:18

各位，我今天安装了webcontrol ，在使用treeview时出现了下面的错误请问时怎么回事？
Compilation Error
Description: An error occurred during the compilation of a resource required to service this request. Please review the following specific error details and modify your source code appropriately.

Compiler Error Message: CS1595: 'Microsoft.Web.UI.WebControls.TreeView' is defined in multiple places; using definition from 'c:\WINNT\Microsoft.NET\Framework\v1.1.4322\Temporary ASP.NET Files\webtest\6dcfda7d\5a034847\assembly\dl2\d4a2f9ec\008a8403_fe39c301\Microsoft.Web.UI.WebControls.DLL'

Source Error:

Line 79:
Line 80: private System.Web.UI.Control __BuildControlTreeView1() {
Line 81: Microsoft.Web.UI.WebControls.TreeView __ctrl;
Line 82:
Line 83: #line 15 "c:\inetpub\wwwroot\WebTest\WebForm2.aspx"

Source File: c:\WINNT\Microsoft.NET\Framework\v1.1.4322\Temporary ASP.NET Files\webtest\6dcfda7d\5a034847\l8ripb5i.0.cs Line: 81
我大致的安装步骤是这样的：我从微软的网站下载了控件，打开安装（默认安装路径），然后.net开发环境里打开自定义工具箱，选中treeview控件，确定返回。
请问问题处在什么地方？我该怎样改正？

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