public async Task <IActionResult> EditRole(EfitRoleViewMode model)
        {
            var role = await roleManager.FindByIdAsync(model.ID);

            if (role == null)
            {
                ViewBag.ErrorMessage = "Not Found";
                return(View("NotGound"));
            }
            else
            {
                role.Name = model.Name;
                var result = await roleManager.UpdateAsync(role);

                if (result.Succeeded)
                {
                    return(RedirectToAction("Roles"));
                }
                foreach (var error in result.Errors)
                {
                    ModelState.AddModelError("", error.Description);
                }
                return(View(model));
            }
        }
        public async Task <IActionResult> EditRole(string id)
        {
            var role = await roleManager.FindByIdAsync(id);

            if (role == null)
            {
                ViewBag.ErrorMessage = "Not Found";
                return(View("NotGound"));
            }
            var model = new EfitRoleViewMode
            {
                ID   = role.Id,
                Name = role.Name
            };

            foreach (var User in userManager.Users)
            {
                if (await userManager.IsInRoleAsync(User, role.Name))
                {
                    model.Users.Add(User.UserName);
                }
            }
            return(View(model));
        }