protected void Btnno_Click(object sender, EventArgs e)
    {
        RptrCN2.DataSource = CreditNote.GetCNNo_byCusts(Convert.ToInt32(strFY), (Txtlrnos.Text), "LR");
        RptrCN2.DataBind();

        //RptrCN2.DataSource = CreditNote.GetCNNo_byCust((DDLCustomer.SelectedValue), "Manual");
        //RptrCN2.DataBind();

        RptrCN2.Visible = true;
        // RptrCN2.Visible = true;
        Pnl2.Visible = true;
    }