public async Task <IActionResult> OnPostAsync() { if (!ModelState.IsValid) { return(Page()); } _context.Attach(Course).State = EntityState.Modified; try { await _context.SaveChangesAsync(); } catch (DbUpdateConcurrencyException) { if (!CourseExists(Course.CourseID)) { return(NotFound()); } else { throw; } } return(RedirectToPage("./Index")); }
// To protect from overposting attacks, enable the specific properties you want to bind to, for // more details, see https://aka.ms/RazorPagesCRUD. public async Task <IActionResult> OnPostAsync(int?id) { if (id == null) { return(NotFound()); } var courseToUpdate = await _context.Courses.FindAsync(id); if (courseToUpdate == null) { return(NotFound()); } if (await TryUpdateModelAsync <Course>( courseToUpdate, "course", //Prefix for form value. c => c.Credits, c => c.DepartmentID, c => c.Title)) { await _context.SaveChangesAsync(); RedirectToPage("./Index"); } _context.Attach(Course).State = EntityState.Modified; // Select DepartmentId if TryUpdateModelAsync fails PopulateDepartmentsDropDownList(_context, courseToUpdate.DepartmentID); return(Page()); }
// To protect from overposting attacks, please enable the specific properties you want to bind to, for // more details see https://aka.ms/RazorPagesCRUD. public async Task <IActionResult> OnPostAsync(int?id) { if (!ModelState.IsValid) { return(Page()); } var studentToUpdate = await _context.Students.FindAsync(id); _context.Attach(Student).State = EntityState.Modified; try { await _context.SaveChangesAsync(); } catch (DbUpdateConcurrencyException) { if (!StudentExists(Student.ID)) { return(NotFound()); } else { throw; } } return(RedirectToPage("./Index")); }
// To protect from overposting attacks, please enable the specific properties you want to bind to, for // more details see https://aka.ms/RazorPagesCRUD. public async Task <IActionResult> OnPostAsync(int id) { var studentToUpdate = await _context.Students.FindAsync(id); if (studentToUpdate == null) { return(NotFound()); } if (await TryUpdateModelAsync <Student>( studentToUpdate, "student", s => s.FirstMidName, s => s.LastName, s => s.EnrollmentDate)) { await _context.SaveChangesAsync(); return(RedirectToPage("./Index")); } return(Page()); if (!ModelState.IsValid) { return(Page()); } _context.Attach(Student).State = EntityState.Modified; try { await _context.SaveChangesAsync(); } catch (DbUpdateConcurrencyException) { if (!StudentExists(Student.ID)) { return(NotFound()); } else { throw; } } return(RedirectToPage("./Index")); }
public async Task <IActionResult> OnPostAsync() { if (!ModelState.IsValid) { return(Page()); } _context.Attach(Instructor).State = EntityState.Modified; try { await _context.SaveChangesAsync(); } catch (DbUpdateConcurrencyException) { } return(RedirectToPage("./Index")); }