public void AddContact(string from, string to) { Contact contact = _context.Contact.Where(x => x.FromId == from && x.ToId == to).FirstOrDefault(); if (contact == null) { _context.Contact.Add(new Contact { FromId = from, ToId = to }); _context.SaveChanges(); } }
public IActionResult Create(Book book) { try { _context.Book.Add(book); _context.SaveChanges(); return(RedirectToAction("showBooks")); } catch { //return View(); } return(RedirectToAction("Index")); //return View(); }