public void CreateUser(string userName, string password, string email, string phone, string roleId)
 {
     Login login = new Login
     {
         Name = userName,
         Password = password,
         Email = email,
         Phone = phone,
         RoleId = roleId
     };
     SaveUser(login);
 }
 public void SaveUser(Login user)
 {
     if (user.Id == 0)
         context.Logins.Add(user);
     else
         context.Entry(user).State = EntityState.Modified;
     context.SaveChanges();
 }