public async Task <IActionResult> AddTask(Taskz task) { if ((task.ChooseStartDate < DateTime.Now) || (task.ChooseEndDate < DateTime.Now) || (task.ChooseStartDate >= task.ChooseEndDate)) { var emp1 = new SelectEmployees() { StartDate = task.StartDate, EndDate = task.EndDate }; var ids1 = await _repo2.SelectEmployees(emp1); return(RedirectToAction(nameof(AddTask), new { invalid = true, idss = ids1, start = emp1.StartDate, end = emp1.EndDate })); } if (ModelState.IsValid) { int id = await _repo2.AddTask(task); if (id > 0) { var emp = new SelectEmployees() { StartDate = task.ChooseStartDate, EndDate = task.ChooseEndDate, ProjectManagerId = task.ProjectManagerId }; var ids = await _repo2.SelectEmployees(emp); return(RedirectToAction(nameof(AddTask), new { Id = id, idss = ids, start = emp.StartDate, end = emp.EndDate, success = true, managerId = task.ProjectManagerId })); } } var emp2 = new SelectEmployees() { StartDate = task.ChooseStartDate, EndDate = task.ChooseEndDate, ProjectManagerId = task.ProjectManagerId }; var ids2 = await _repo2.SelectEmployees(emp2); ViewBag.Employees = (new SelectList(_repo2.GetEmployeesDropdown(ids2), "Id", "Name")); ViewBag.Projects = new SelectList(await _repo.GetCurrentProjects(), "Id", "Name"); return(View()); }