ASP.Net的TreeView与地图无视Node.Selected [英] ASP.Net TreeView with SiteMap is ignoring Node.Selected
问题描述
创建绑定到一个网站地图一个TreeView。它的伟大工程。
I create have a TreeView bound to a SiteMap. It works great.
<asp:SiteMapDataSource ID="SiteMapDataSource1" runat="server" />
<asp:TreeView ID="TreeView1" runat="server" DataSourceID="SiteMapDataSource1">
</asp:TreeView>
现在我想改变所选节点的样子。
Now I want to change the way the selected node looks.
<asp:SiteMapDataSource ID="SiteMapDataSource1" runat="server" />
<asp:TreeView ID="TreeView1" runat="server" DataSourceID="SiteMapDataSource1">
<NodeStyle ImageUrl="~/Images/Page.png" />
<SelectedNodeStyle ImageUrl="~/Images/Page_Hot.png" />
</asp:TreeView>
问题是,当前页面不会自动在树中选择(MSFT为什么,为什么?)。这不是世界的末端。所以,我创建了一个小code背后是这样的:
The thing is, the current page is not automatically selected on the tree (why MSFT, why?). This is not the end of the world. So, I created a little code behind like this:
protected void Page_Load(object sender, EventArgs e)
{
if (Page.IsPostBack)
return;
TreeView1.TreeNodeDataBound += new TreeNodeEventHandler(TreeView1_TreeNodeDataBound);
}
void TreeView1_TreeNodeDataBound(object sender, TreeNodeEventArgs e)
{
var _CurrentUrl = Request.Url.AbsolutePath;
e.Node.Selected = (e.Node.NavigateUrl == _CurrentUrl);
}
但仍然节点没有被选中。我的直觉告诉我,这是错误的事件。
But still the node is not selected. My gut tells me it's the wrong event.
任何帮助吗?
感谢//杰里
推荐答案
好了,这实在是烦人。我想技术回答我的问题是,它一直以来的工作。然而,真正的问题是,在的ImageUrl的SelectedNodeStyle似乎被忽略。我要贴多一点我的解决方案,所以你可以看到我有什么,但不管我怎么努力,在SelectedNodeStyle的ImageUrl被忽略。
Well, this is really annoying. I suppose the "technical" answer to my question is that it worked all along. However, the real issue is that ImageUrl in the SelectedNodeStyle appears to be ignored. I am going to paste a little more of my solution so you can see what I have, but no matter what I try, ImageUrl in the SelectedNodeStyle is ignored.
(PS:.NET4)
<asp:SiteMapDataSource ID="SiteMapDataSource1" runat="server" />
<asp:TreeView ID="TreeView1" runat="server" DataSourceID="SiteMapDataSource1" ShowExpandCollapse="false">
<NodeStyle ForeColor="White" Font-Bold="true" NodeSpacing="5" HorizontalPadding="5"
ImageUrl="~/Images/Page.png" />
<SelectedNodeStyle Font-Bold="true" NodeSpacing="5" HorizontalPadding="5" Font-Underline="true"
ImageUrl="~/Images/Page_Hot.png"/>
<HoverNodeStyle ForeColor="Navy" />
</asp:TreeView>
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