public ActionResult SaveToXls(string what) { DataTable dt = null; bool result = false; switch (what) { case "Client": List <DataAccessLayer.Entities.Client> layerClientList = ClientUtils.GetAllClients(); List <Client> clientList = Mappings.MappingDtos.EntityClientToModelClientAsList(layerClientList); dt = DataToExcel.ConvertToDataTable(clientList); result = DataToExcel.FlushToExcel <Client>(dt); break; case "Employee": List <DataAccessLayer.Entities.Employee> layerEmplyeeList = EmployeeUtils.GetAllEmplyees(); List <Employee> employeeList = Mappings.MappingDtos.EntityEmployeeToModelEmployeeAsList(layerEmplyeeList); dt = DataToExcel.ConvertToDataTable(employeeList); result = DataToExcel.FlushToExcel <Employee>(dt); break; case "Event": List <DataAccessLayer.Entities.Event> layerEventList = EventUtils.GetAllEvents(); List <Event> eventList = Mappings.MappingDtos.EntityEventToModelEventList(layerEventList); dt = DataToExcel.ConvertToDataTable(eventList); result = DataToExcel.FlushToExcel <Event>(dt); break; case "Room": List <DataAccessLayer.Entities.Room> layerRoomList = RoomUtils.GetAllRooms(); List <Room> roomList = Mappings.MappingDtos.EntityRoomToModelRoomAsList(layerRoomList); dt = DataToExcel.ConvertToDataTable(roomList); result = DataToExcel.FlushToExcel <Room>(dt); break; case "Ticket": List <DataAccessLayer.Entities.Ticket> layerTicketList = TicketUtils.GetAllTickets(); List <Ticket> ticketList = Mappings.MappingDtos.EntityTicketLIstToModelTicketAsList(layerTicketList); dt = DataToExcel.ConvertToDataTable(ticketList); result = DataToExcel.FlushToExcel <Ticket>(dt); break; case "Type": List <DataAccessLayer.Entities.TicketType> layerTypeList = TicketTypeUtils.GetAllTicketTypes(); List <TicketType> typeList = Mappings.MappingDtos.EntityTicketLIstToModelTicketTypeAsList(layerTypeList); dt = DataToExcel.ConvertToDataTable(typeList); result = DataToExcel.FlushToExcel <TicketType>(dt); break; default: break; } if (result) { return(RedirectToAction("ListEmployees")); } else { return(RedirectToAction("Index")); } }