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"; }