treeView

wwwroot/webctrl_client/1_0下的TreeView.htc  

  找到如下方法  
  function   buildTreeFromRoot()  
  {  
             
            bodyNode.style.direction   =   element.currentStyle.direction;  
            //加上如下面一句  
            bodyNode.style.background   =   "transparent";  
            var   head   =   element.document.createElement("HEAD");