コード例 #1
0
        public async Task <IActionResult> Edit(int id, [Bind("Pay_ID,Pay_Name,PayDate")] Payment payment)
        {
            if (id != payment.Pay_ID)
            {
                return(NotFound());
            }

            if (ModelState.IsValid)
            {
                try
                {
                    _context.Update(payment);
                    await _context.SaveChangesAsync();
                }
                catch (DbUpdateConcurrencyException)
                {
                    if (!PaymentExists(payment.Pay_ID))
                    {
                        return(NotFound());
                    }
                    else
                    {
                        throw;
                    }
                }
                return(RedirectToAction(nameof(Index)));
            }
            return(View(payment));
        }
コード例 #2
0
        public Payment UpdatePayment(Payment payment)
        {
            try
            {
                Payment payment1 = (from p in payDb.Payments
                                    where p.Pay_ID == payment.Pay_ID
                                    join s in payDb.Students
                                    on p._Student.Id equals s.Id
                                    select new Payment
                {
                    Pay_ID = payment.Pay_ID,
                    PayAmount = payment.PayAmount,
                    PayDate = payment.PayDate,
                    Pay_Name = payment.Pay_Name,
                    _Student = p._Student
                }).ToList()[0] as Payment;

                payDb.Update(payment1);
                payDb.SaveChanges();
                return(payment1);
            }
            catch (Exception)
            {
                return(null);
            }
        }
コード例 #3
0
 public Student UpdateStudent(int id, Student student)
 {
     try
     {
         if (id.Equals(student.Id))
         {
             student_PayDb.Update(student);
             student_PayDb.SaveChanges();
             return(student_PayDb.Students.FirstOrDefault(x => x.Id.Equals(student.Id)));
         }
         return(null);
     }
     catch (Exception)
     {
         return(null);
     }
 }