public async Task <IActionResult> Update([FromBody] PaymentSheet paymentSheet)
 {
     try
     {
         _context.Entry(paymentSheet).State = Microsoft.EntityFrameworkCore.EntityState.Modified;
         _context.SaveChanges();
         return(Ok(paymentSheet));
     }
     catch (Exception e)
     {
         return(BadRequest(e));
     }
 }
 public async Task <IActionResult> Create([FromBody] PaymentSheet paymentSheet)
 {
     try
     {
         _context.PaymentSheets.Add(paymentSheet);
         _context.SaveChanges();
         return(Ok(paymentSheet));
     }
     catch (Exception e)
     {
         return(BadRequest(e));
     }
 }