Statement stcount1 = conn.createStatement(); String strQuery1 = "insert into sales_transaction set vend_name='"+vend_name+"',warehouse_location='"+warehouse_location+"',reference_no='"+reference_no+"',invoice_no='"+invoice_no+"',invoice_date='"+invoice_date+"',lpo_no='"+lpo_no+"',lpo_no='"+lpo_no+"',lpo_date='"+lpo_date+"'";
int i1 = stcount1.executeUpdate(strQuery1); Statement stcount2 = conn.createStatement(); String strQuery2 = "insert into sales_line set prod_id="+prod_id+",packing='"+packing+"',rate="+rate+",qty="+qty+",amount="+amount; int i2 = stcount2.executeUpdate(strQuery2);