public ActionResult AddProject(FormCollection colection, ProjectDKC Project)
        {
            String   ProjectSymbol    = colection["ProjectSymbol"];
            String   ProjectName      = colection["ProjectName"];
            int?     ManagerProject   = colection["ManagerProject"].Equals("0") ? (int?)null : Convert.ToInt32(colection["ManagerProject"]);
            String   Address          = colection["Address"];
            DateTime?FromDate         = colection["FromDate"].Equals("") ? (DateTime?)null : Convert.ToDateTime(colection["FromDate"]);
            DateTime?ToDate           = colection["ToDate"].Equals("") ? (DateTime?)null : Convert.ToDateTime(colection["ToDate"]);
            int?     Status           = colection["Status"].Equals("0") ? (int?)null : Convert.ToInt32(colection["Status"]);
            var      lstProjectSymbol = Ql.ProjectDKCs.Where(x => x.ProjectSymbol.Trim() == ProjectSymbol.Trim()).ToList();
            var      CountPr          = lstProjectSymbol.Count();

            if (CountPr > 0)
            {
                ViewBag.Tb             = "Mã bị trùng";
                ViewBag.ProjectSymbol  = ProjectSymbol;
                ViewBag.ProjectName    = ProjectName;
                ViewBag.ManagerProject = ManagerProject;
                ViewBag.Address        = Address;
                ViewBag.FromDate       = @String.Format("{0:yyyy-MM-dd}", FromDate);
                ViewBag.ToDate         = @String.Format("{0:yyyy-MM-dd}", ToDate);
                ViewBag.Status         = Status;
                ViewData["User"]       = Ql.Users.Where(x => x.Status != 1 && x.IsDeleted != true).ToList();
                return(View());
            }
            else
            {
                Ql.AddProject_(ProjectSymbol, ProjectName, ManagerProject, Address, FromDate, ToDate, Status);
                return(RedirectToAction("Project", "Project"));
            }
        }