public async Task <IActionResult> OnPostAsync(int?id)
{
if (id == null)
{
return(NotFound());
}
var customer = await _context.Customers
.AsNoTracking()
.FirstOrDefaultAsync(m => m.ID == id);
if (customer == null)
{
return(NotFound());
}
try
{
_context.Customers.Remove(customer);
await _context.SaveChangesAsync();
return(RedirectToPage("./Index"));
}
catch (DbUpdateException /* ex */)
{
//Log the error (uncomment ex variable name and write a log.)
return(RedirectToAction("./Delete",
new { id, saveChangesError = true }));
}
}
public async Task <IActionResult> OnPostAsync(int?id)
{
if (!ModelState.IsValid)
{
return(Page());
}
var customerToUpdate = await _context.Customers.FindAsync(id);
if (await TryUpdateModelAsync <Customer>(
customerToUpdate,
"customer",
c => c.FirstName, c => c.LastName, c => c.PhoneNumber, c => c.EmailAddress, c => c.SexualOrientation, c => c.MembershipPlan))
{
await _context.SaveChangesAsync();
return(RedirectToPage("./Index"));
}
return(Page());
}
public async Task <IActionResult> OnPostAsync()
{
if (!ModelState.IsValid)
{
return(Page());
}
var emptyCustomer = new Customer();
if (await TryUpdateModelAsync <Customer>(
emptyCustomer,
"customer", //Prefix for form value.
s => s.FirstName, s => s.LastName, s => s.PhoneNumber, s => s.EmailAddress, s => s.SexualOrientation, s => s.MembershipPlan))
{
_context.Customers.Add(emptyCustomer);
await _context.SaveChangesAsync();
return(RedirectToPage("./Index"));
}
return(null);
}