public async Task <IActionResult> OnPostAsync()
{
if (file != null)
{
if (file.Length > 0 && file.Length < 300000)
{
var myInv = _context.Invoices.FirstOrDefault(x => x.Id == ID);
using (var target = new MemoryStream())
{
file.CopyTo(target);
myInv.Attachment = target.ToArray();
}
_context.Invoices.Update(myInv);
await _context.SaveChangesAsync();
}
}
return(RedirectToPage("./Index"));
}
public async Task <IActionResult> OnPostDeleteAsync(int?id)
{
var myInv = await _context.Invoices.FirstOrDefaultAsync(m => m.Id == id);
if (myInv == null)
{
return(NotFound());
}
if (myInv.Attachment == null)
{
return(Page());
}
else
{
myInv.Attachment = null;
_context.Update(myInv);
await _context.SaveChangesAsync();
}
Invoices = await _context.Invoices.ToListAsync();
return(Page());
}