private void PopulateTree(int searchValue) { FileController fileCtrl = new FileController(); FileConfigurationController ctrlConfig = new FileConfigurationController(); var configs = ctrlConfig.GetItems(PortalId) as List<FileConfiguration>; if (configs.Count > 0) { //check for root shared folder var rootFolder = fileCtrl.GetRootPortalFolder(PortalId, UserId); //if none exists, create if (rootFolder == null) { rootFolder = fileCtrl.CreateRootSharedFolder(UserId, PortalId); } configs[0].RootSharedFolderID = rootFolder.ID; //check root users folder if (configs[0].RootUsersFolderID == 0) { //if none exists, create configs[0].RootUsersFolderID = fileCtrl.CreateRootUsersFolder(UserId, PortalId).ID; } //check root groups folder if (configs[0].RootGroupsFolderID == 0) { //if none exists, create configs[0].RootGroupsFolderID = fileCtrl.CreateRootGroupsFolder(UserId, PortalId).ID; } //update config ctrlConfig.Update(configs[0]); } File rootFile = new File(); rootFile.ID = -1; rootFile.Name = "QuickDocsPro"; List<File> listFiles = fileCtrl.GetItemsByParent(rootFile.ID, UserId, PortalId, PortalSettings.AdministratorRoleId, "Asc") as List<File>; System.Web.UI.WebControls.TreeNode rootNode = new System.Web.UI.WebControls.TreeNode(rootFile.Name, rootFile.ID.ToString(), "images/window_16_hot.png"); rootNode.Expanded = false; treeFolders.Nodes.Add(rootNode); populateChildren(rootNode, searchValue, configs[0]); if (rootNode.Value == searchValue.ToString()) { rootNode.Selected = true; } }