public async Task <IActionResult> OnPostAsync()
{
if (!ModelState.IsValid)
{
return(Page());
}
_context.Attach(CouponCategory).State = EntityState.Modified;
try
{
await _context.SaveChangesAsync();
}
catch (DbUpdateConcurrencyException)
{
if (!CouponCategoryExists(CouponCategory.Id))
{
return(NotFound());
}
else
{
throw;
}
}
return(RedirectToPage("./Index"));
}
public async Task <IActionResult> OnPostAsync()
{
if (!ModelState.IsValid)
{
ViewData["CategoryId"] = new SelectList(_context.CouponCategories, "Id", "Name");
ViewData["CustomerId"] = new SelectList(_context.Customers, "Id", "Name");
ViewData["SellerId"] = new SelectList(_context.Sellers, "Id", "Name");
return(Page());
}
_context.Attach(Coupon).State = EntityState.Modified;
try
{
await _context.SaveChangesAsync();
}
catch (DbUpdateConcurrencyException)
{
if (!CouponExists(Coupon.Id))
{
return(NotFound());
}
else
{
throw;
}
}
return(RedirectToPage("./Index"));
}
