public void EditUser(int id, string username, string password, string email)
 {
     using (SqlConnection connection = new SqlConnection(connectionString))
     {
         SqlCommand command = new SqlCommand(UserQueries.EditUser(id, username, password, email), connection);
         connection.Open();
         try
         {
             command.ExecuteNonQuery();
         }
         catch (SqlException e)
         {
             throw e;
         }
     }
 }