using System;

public class Program

{

    public static void Main()

    {

        // Hif_barcode_no.Value = DateTime.Now.ToString("yyyyMMddHHmmss");

        Hif_barcode_no.Value = DateTime.Now.ToString("yyyyMM") 

            + Hif_contract_pk.Value.ToString().PadLeft(3, "0")

            + Lb_Stock_no.Text.ToString().PadLeft(3, "0");

    }

}