public IActionResult AddOrEdit(int id, EmployeeGroupDto employeegroup) { if (ModelState.IsValid) { if (id == 0) { employeeGroupService.CreateEmployeeGroup(employeegroup); } else { try { employeeGroupService.UpdateEmployeeGroup(employeegroup); } catch (DbUpdateConcurrencyException) { if (!employeeGroupService.EmployeeGroupExists(employeegroup.Id)) { return(NotFound()); } else { throw; } } } var employeegroups = employeeGroupService.GetAll(); return(Json(new { isValid = true, html = Helper.RenderRazorViewToString(this, "_ViewAll", employeegroups) })); } return(Json(new { isValid = false, html = Helper.RenderRazorViewToString(this, "AddOrEdit", employeegroup) })); }