public async Task <IActionResult> OnPostAsync() { if (!ModelState.IsValid) { return(Page()); } _context.Attach(GraphicsCard).State = EntityState.Modified; try { await _context.SaveChangesAsync(); } catch (DbUpdateConcurrencyException) { if (!GraphicsCardExists(GraphicsCard.Id)) { return(NotFound()); } else { throw; } } return(RedirectToPage("./Index")); }
public async Task <IActionResult> OnPostAsync(int?id) { if (id == null) { return(NotFound()); } GraphicsCard = await _context.GraphicsCards.FindAsync(id); if (GraphicsCard != null) { _context.GraphicsCards.Remove(GraphicsCard); await _context.SaveChangesAsync(); } return(RedirectToPage("./Index")); }
public async Task <IActionResult> OnPostAsync() { if (!ModelState.IsValid) { TempData["Error"] = "Invalid form."; return(RedirectToPage("Create")); } if (context.GraphicsCards.Any(p => p.ModelName == GraphicsCard.ModelName)) { TempData["Error"] = "Model name already exists."; return(RedirectToPage("Create")); } context.GraphicsCards.Add(GraphicsCard); await context.SaveChangesAsync(); return(RedirectToPage("./Index")); }