public async Task <IActionResult> OnPostAsync()
{
if (!ModelState.IsValid)
{
return(Page());
}
//although unlikely it can collide in parallel sessions
//We'll resolve it later, e.g. GUI
Product.SequenceNumber = (_context.Product.Count()) + 1;
_context.Product.Add(Product);
await _context.SaveChangesAsync();
return(RedirectToPage("./Index"));
}
public async Task <IActionResult> OnPostAsync(string id)
{
if (id == null)
{
return(NotFound());
}
Product = await _context.Product.FindAsync(id);
if (Product != null)
{
_context.Product.Remove(Product);
await _context.SaveChangesAsync();
}
return(RedirectToPage("./Index"));
}
public async Task <IActionResult> OnPostAsync()
{
if (!ModelState.IsValid)
{
return(Page());
}
_context.Attach(Product).State = EntityState.Modified;
try
{
await _context.SaveChangesAsync();
}
catch (DbUpdateConcurrencyException)
{
}
return(RedirectToPage("./Index"));
}