public ActionResult CreateFolder(WS_Folder folder)
 {
     try
     {
         if (folder.Parent_Id == 0)
             folder.Parent_Id = null;
         // TODO: Add insert logic here
         _db.WS_Folders.Add(folder);
         _db.SaveChanges();
         return View("Index");
     }
     catch(Exception e)
     {
         return View("Index");
     }
 }
        public ActionResult EditFolder(WS_Folder folder)
        {
            try
            {

                // TODO: Add insert logic here
                //  _db.WS_Folders.Add(folder);
                _db.WS_Folders.Find(folder.Id).Name = folder.Name;
                _db.SaveChanges();
                return View("Index");
            }
            catch
            {
                return View("Index");
            }
        }
        public ActionResult _CreateFolder(int folderId)
        {
            WS_Folder model;
            if (folderId > 0)
            {
                model = _db.WS_Folders.Find( folderId );
            }
            else
            {
                model = new WS_Folder() { Parent_Id = null };
            }
            return PartialView(model);

        }