public async Task <IActionResult> Edit(int id, [Bind("TextbookId,Name,Author,Price,CourseId")] Textbook textbook) { if (id != textbook.TextbookId) { return(RedirectToAction(nameof(Index))); } if (ModelState.IsValid) { try { _context.Update(textbook); await _context.SaveChangesAsync(); } catch (DbUpdateConcurrencyException) { TempData["message"] = $"{textbook.Name} update Failed"; return(RedirectToAction(nameof(Index))); } TempData["message"] = $"{textbook.Name} update Completed"; return(RedirectToAction(nameof(Index))); } ViewData["CourseId"] = new SelectList(_context.Course, "CourseId", "CourseId", textbook.CourseId); return(View(textbook)); }
public async Task <IActionResult> Edit(string id, [Bind("CourseId,CourseName,CourseProf")] Course course) { if (id != course.CourseId) { return(RedirectToAction(nameof(Index))); } if (ModelState.IsValid) { try { _context.Update(course); await _context.SaveChangesAsync(); } catch (DbUpdateConcurrencyException) { if (!CourseExists(course.CourseId)) { return(RedirectToAction(nameof(Index))); } else { TempData["message"] = $"{course.CourseName} has failed"; return(RedirectToAction(nameof(Index))); } } TempData["message"] = $"{course.CourseName} update Completed"; return(RedirectToAction(nameof(Index))); } return(View(course)); }