I have used below code for structure of folders and files in server but I need icon of file (type of file) in tree view structure.
<pre>protected void Page_Load(object sender, EventArgs e) { if (Page.IsPostBack == false) { System.IO.DirectoryInfo RootDir = new System.IO.DirectoryInfo(Server.MapPath("~/Document/Detail Engineering/")); // output the directory into a node TreeNode RootNode = OutputDirectory(RootDir, null); // add the output to the tree TreeView1.Nodes.Add(RootNode); TreeView1.CollapseAll(); } } TreeNode OutputDirectory(System.IO.DirectoryInfo directory, TreeNode parentNode) { // validate param if (directory == null) return null; // create a node for this directory TreeNode DirNode = new TreeNode(directory.Name); // get subdirectories of the current directory System.IO.DirectoryInfo[] SubDirectories = directory.GetDirectories(); // output each subdirectory for (int DirectoryCount = 0; DirectoryCount < SubDirectories.Length; DirectoryCount++) { OutputDirectory(SubDirectories[DirectoryCount], DirNode); } // output the current directories files System.IO.FileInfo[] Files = directory.GetFiles(); for (int FileCount = 0; FileCount < Files.Length; FileCount++) { string sFullname = directory.FullName; string sStr = sFullname + "\\" + Files[FileCount].Name; System.IO.FileInfo file = new System.IO.FileInfo(sStr); DirNode.ChildNodes.Add(new TreeNode(Files[FileCount].Name, Files[FileCount].Name)); TreeNode subnode = new TreeNode(Files[FileCount].Name); string test = subnode.ValuePath; subnode.NavigateUrl = sStr; subnode.SelectAction = TreeNodeSelectAction.Select; } // if the parent node is null, return this node // otherwise add this node to the parent and return the parent if (parentNode == null) { return DirNode; } else { parentNode.ChildNodes.Add(DirNode); return parentNode; } }
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