这个例子在我机器上能运行, 如有问题,重装IE WebControls
http://msdn.microsoft.com/downloads/default.asp?url=/downloads/samples/internet/ASP_DOT_NET_ServerControls/WebControls/default.asp
<%@ Register TagPrefix="mytree" Namespace="Microsoft.Web.UI.WebControls" Assembly="Microsoft.Web.UI.WebControls, Version=1.0.2.116, Culture=neutral, PublicKeyToken=31bf3856ad364e35" %> 
<%@ import namespace="Microsoft.Web.UI.WebControls" %> <html> 
   <head> 
   </head> 
      <body> <mytree:treeview runat="server" id="oTree" ChildType="Folder" SelectedStyle="background:ffffcf;color:black;text-decoration:underline" DefaultStyle="font-family:Verdana" HoverStyle="background:ffffff;color:#000080;text-decoration:underline" > 
   <mytree:treenodetype Type="Folder" ExpandedImageUrl="images/openfolder.gif" ImageUrl="images/closedfolder.gif" /> 
   <mytree:treenodetype Type="Link" ImageUrl="images/ie.gif" HoverStyle="font-size:14" /> 
   <mytree:treenode text="ASP.Net Sites" ChildType="Link"> 
      <mytree:treenode text="ASP Alliance" navigateurl="http://www.aspalliance.com" /> 
      <mytree:treenode text="4GuysFromRolla" navigateurl="http://www.4guysfromrolla.com" ImageUrl="images/4guys.gif" /> 
      <mytree:treenode text="DotNetJunkies" navigateurl="http://www.navigateurl.com" /> 
   </mytree:treenode> 
   <mytree:treenode text="Sql Server Sites" ChildType="Link" > 
      <mytree:treenode text="Swynk" navigateurl="http://www.swynk.com" HoverStyle="Color:Red" />
      <mytree:treenode text="Sql-Server-Performance.com" navigateurl="http://www.sql-server-performance.com" /> 
   </mytree:treenode> 
</mytree:treeview> 
</form> 
      </body> 
</html> 

解决方案 »

  1.   

    将document 的charset改为 简体中文(GB2312)
      

  2.   

    使用Web Controls的TreeView控件出现未结束的字符串等三个错误的人士请这里来--此处发放解决方法 (sumanden ) 
    http://www.csdn.net/expert/topic/687/687931.xml?temp=.6345636
      

  3.   

    用iewebcontrols-b2r的TreeView.htc文件覆盖chs版的相同文件就OK啦
      

  4.   

    Kao!
    这样也行。
    大家就下载英文版的iewebcontrols,解压之后将文件TreeView.htc文件覆盖chs版的相应文件就行了。地址:http://msdn.microsoft.com/downloads/default.asp?url=/downloads/samples/internet/ASP_DOT_NET_ServerControls/WebControls/default.asp然后选择:Manual Install: WebControls Version 1.0 Server Controls就是啦,祝你成功!