public async Task <IActionResult> OnPostAsync() { if (!ModelState.IsValid) { return(Page()); } _context.Attach(StudentModel).State = EntityState.Modified; try { await _context.SaveChangesAsync(); } catch (DbUpdateConcurrencyException) { if (!StudentModelExists(StudentModel.Id)) { return(NotFound()); } else { throw; } } return(RedirectToPage("./Index")); }
public async Task <IActionResult> OnPostAsync() { if (!ModelState.IsValid) { return(Page()); } _context.Students.Add(StudentModel); await _context.SaveChangesAsync(); return(RedirectToPage("./Index")); }
public async Task <IActionResult> OnPostAsync(int?id) { if (id == null) { return(NotFound()); } StudentModel = await _context.Students.FindAsync(id); if (StudentModel != null) { _context.Students.Remove(StudentModel); await _context.SaveChangesAsync(); } return(RedirectToPage("./Index")); }