public void getData()
        {
            dataLookup.DataSource = pos.loadProductLookup();

            dataLookup.Columns[0].Width = 150;
            dataLookup.Columns[1].Width = 150;
            dataLookup.Columns[2].Width = 150;
            dataLookup.Columns[3].Width = 150;
            dataLookup.Columns[4].Width = 150;
            dataLookup.Columns[5].Width = 150;
            dataLookup.Columns[6].Width = 150;
            dataLookup.Columns[7].Width = 150;

            dataLookup.Columns[0].HeaderText = "#";
            dataLookup.Columns[1].HeaderText = "BARCODE";
            dataLookup.Columns[2].HeaderText = "PRODUCT NAME";
            dataLookup.Columns[3].HeaderText = "CATEGORY NAME";
            dataLookup.Columns[4].HeaderText = "BRAND NAME";
            dataLookup.Columns[5].HeaderText = "DESCRIPTION";
            dataLookup.Columns[6].HeaderText = "QTY";
            dataLookup.Columns[7].HeaderText = "PRICE";
        }