/// <summary>
 /// Removes a user
 /// </summary>
 /// <param name="ID">The user to remove</param>
 public void RemoveUser(int ID)
 {
     using (MultipleChoiceEntities multipleChoiceEntities = new MultipleChoiceEntities())
     {
         multipleChoiceEntities.Users.Remove(multipleChoiceEntities.Users.Find(ID));
         multipleChoiceEntities.SaveChanges();
     }
 }
 /// <summary>
 /// Adds a new user
 /// </summary>
 /// <param name="user">The user to add</param>
 public void AddNewUser(User user)
 {
     if (user is null)
     {
         return;
     }
     using (MultipleChoiceEntities multipleChoiceEntities = new MultipleChoiceEntities())
     {
         multipleChoiceEntities.Users.Add(user);
         multipleChoiceEntities.SaveChanges();
     }
 }