记得在vs2003中,Treeview可以即能显示连线,又能显示图标(即节点展开和关闭是不同的图标),但在asp.net2.0中,在属性TreeView1.ShowLines = true,时,则只显示线了,上面设的图像没了,不知为什么,我是这样设的:
this.TreeView1.NoExpandImageUrl = "~/App_Themes/aaa/images/item.gif";
this.TreeView1.ExpandImageUrl = "~/App_Themes/aaa/images/close.gif";
this.TreeView1.CollapseImageUrl = "~/App_Themes/aaa/images/open.gif";
this.TreeView1.NoExpandImageUrl = "~/App_Themes/aaa/images/item.gif";
this.TreeView1.ExpandImageUrl = "~/App_Themes/aaa/images/close.gif";
this.TreeView1.CollapseImageUrl = "~/App_Themes/aaa/images/open.gif";
Width="357px" ExpandDepth="2" ShowLines="True" LineImagesFolder="~/TreeLineImages">
你也可以不选Custom,这样你需要在建节点的时候,给每个节点定义图标。