public async Task <IActionResult> OnPostAsync()
{
if (!ModelState.IsValid)
{
return(Page());
}
_context.Attach(Image).State = EntityState.Modified;
try
{
await _context.SaveChangesAsync();
}
catch (DbUpdateConcurrencyException)
{
if (!ImageExists(Image.ImageID))
{
return(NotFound());
}
else
{
throw;
}
}
return(RedirectToPage("./Index"));
}
public async Task <IActionResult> OnPostAsync(int?id)
{
if (!ModelState.IsValid)
{
return(Page());
}
//FindAsync makes the DB callonly if the entity in the context has changed
Ship = await _context.Ship.FindAsync(id);
if (await TryUpdateModelAsync <Ship>(
Ship,
"Ship",
s => s.Name))
{
await _context.SaveChangesAsync();
return(RedirectToPage("./Index"));
}
_context.Attach(Ship).State = EntityState.Modified;
try
{
await _context.SaveChangesAsync();
}
catch (DbUpdateConcurrencyException)
{
if (!ShipExists(Ship.ShipID))
{
return(NotFound());
}
else
{
throw;
}
}
return(RedirectToPage("./Index"));
}