//고용형태 버튼
        private void button5_Click(object sender, EventArgs e)
        {
            PTP_Sample PTP = new PTP_Sample(this, "WForm");

            PTP.Owner = this;
            PTP.ShowDialog();
        }
        //부서 버튼
        private void button3_Click(object sender, EventArgs e)
        {
            PTP_Sample PTP = new PTP_Sample(this, "Department");

            PTP.Owner = this;
            PTP.ShowDialog(this);
        }
        private void btn_Customer_Click(object sender, EventArgs e)
        {
            string SQL = "SELECT ItemNo, Customer FROM Item_Master";

            PTP_Sample PTP = new PTP_Sample(this, SQL);

            PTP.Owner = this;
            PTP.ShowDialog();
        }