'Check if there is a newsgroup type in the query string 
Dim typeID As String = Nothing  
Dim typeIDUrlEncoded As String = Nothing  
If Not String.IsNullOrEmpty(e.Context.Request.QueryString("type")) Then 
typeID = e.Context.Server.HtmlEncode(e.Context.Request.QueryString("type")) 
typeIDUrlEncoded = e.Context.Server.UrlEncode(e.Context.Request.QueryString("type")) 
End If 

　　'首先执行发布页面URL的固定 
　　'如果查询字符串中包含发布ID，我们就知道当前节点式发布页面 
If Not String.IsNullOrEmpty(e.Context.Request.QueryString("postingID")) Then 
Dim postingID as string = _ 
e.Context.Server.HtmlEncode(e.Context.Request.QueryString("postingID")) 
Dim postingIDUrlEncoded as string = _ 
e.Context.Server.UrlEncode(e.Context.Request.QueryString("postingID")) 
Dim NewUrl As String = tempNode.Url + "?type=" + typeIDUrlEncoded + "&postingID=" + postingIDUrlEncoded  
Dim NewTitle As String = tempNode.Title + ": " + postingID  
tempNode.Url = NewUrl 
tempNode.Title = NewTitle 

tempNode = tempNode.ParentNode 
End If 

　　'然后，对新闻组页面进行固定 
　　'这时候nodeCopy 变量知贤了新闻组节点 
If Not String.IsNullOrEmpty(e.Context.Request.QueryString("type")) Then 
Dim NewUrl As String = tempNode.Url + "?type=" + typeIDUrlEncoded  
Dim NewTitle As String = tempNode.Title + ": " + typeID  
tempNode.Url = NewUrl 
tempNode.Title = NewTitle 
End If 

　　'最后返回当前节点 
Return nodeCopy 
End Function 
End Class 

在ASP.NET 2.0中建立站点导航层次(5) 在ASP.NET 2.0中建立站点导航层次(3)

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