public async Task <ActionResult> UserToRole(string rolename, string userId, bool?ischecked)
{
if (ischecked.HasValue && ischecked.Value)
{
await _userService.AddUserToRole(userId, rolename);
}
else
{
await _userService.RemoveUserToRole(userId, rolename);
}
return(RedirectToAction("Index"));
}