private void GetForm1()
        {
            connection conn = new connection();

            if (conn.OpenConnection() == true)
            {
                string          query      = "select * FROM staff";
                MySqlCommand    cmd        = new MySqlCommand(query, conn.con);
                MySqlDataReader DataReader = cmd.ExecuteReader();
                conn.CloseConnection();
            }
        }
        private void GetStaff()
        {
            connection connect = new connection();

            if (connect.OpenConnection() == true)
            {
                String          query      = "SELECT * FROM role ORDER BY Role_id ASC";
                MySqlCommand    cmd        = new MySqlCommand(query, connect.con);
                MySqlDataReader dataReader = cmd.ExecuteReader();
                //Read the data and store them in the list
                this.cboRole.Items.Clear();
                while (dataReader.Read())
                {
                    if (dataReader["Role_Name"].ToString().Replace(" ", "") != "")
                    {
                        this.cboRole.Items.Add(dataReader["Role_Name"].ToString());
                    }
                }
                connect.CloseConnection();
            }
        }