protected void btn_query_Click(object sender, EventArgs e)
    {
        string queryStr         = this.txt_sale_bill_no.Text.Trim();
        ProfitBudgetAdapter pba = new ProfitBudgetAdapter();

        if (String.IsNullOrEmpty(queryStr))
        {
            show(GridView2, pba.getProfitBudgetSummary());
        }
        else
        {
            show(GridView2, pba.getProfitBudgetSummaryByID(queryStr));
        }
    }
    private void GridViewBind()
    {
        ProfitBudgetAdapter pba = new ProfitBudgetAdapter();

        show(GridView2, pba.getProfitBudgetSummary());
    }