public string UpdateOrder(string takeoutorderid) { var takeoutorder = TakeOutDb.TakeOutOrders.FirstOrDefault(t => t.TakeOutOrderID == Convert.ToInt32(takeoutorderid)); TakeOutOrder t = new TakeOutOrder(); t.TakeOutOrderID = takeoutorder.TakeOutOrderID; t.StudentID = takeoutorder.StudentID; t.Name = takeoutorder.Name; t.PhoneNumber = takeoutorder.PhoneNumber; t.State = "已取"; TakeOutDb.Entry(t).State = EntityState.Modified; TakeOutDb.SaveChanges(); return("OK"); }
public string AddOrder(string phonenumber, string takeoutorderid) { var student = TakeOutDb.Students.FirstOrDefault(t => t.PhoneNumber == Convert.ToInt32(phonenumber)); if (student != null) { TakeOutOrder t = new TakeOutOrder(); t.StudentID = student.StudentID; t.Name = student.Name; t.PhoneNumber = student.PhoneNumber; t.TakeOutOrderID = Convert.ToInt32(takeoutorderid); t.State = "已达"; TakeOutDb.TakeOutOrders.Add(t); TakeOutDb.SaveChanges(); return("OK"); } else { return("False"); } } //录入外卖订单信息