public IActionResult Edit(Role role)
 {
     if (ModelState.IsValid)
     {
         _context.Update(role);
         _context.SaveChanges();
         return RedirectToAction("Index");
     }
     return View(role);
 }
 public IActionResult Create(Role role)
 {
     if (ModelState.IsValid)
     {
         _context.DBRoles.Add(role);
         _context.SaveChanges();
         return RedirectToAction("Index");
     }
     return View(role);
 }