public void BindGrid()
    {
        string id = string.Format("Id: {0} Uri: {1}", Guid.NewGuid(), HttpContext.Current.Request.Url);

        using (Utils utility = new Utils())
        {
            utility.MethodStart(id, System.Reflection.MethodBase.GetCurrentMethod());
        }
        DataSet dset;

        try
        {
            string hdnBills = hdnBillNumber.Value.ToString();

            string[] sBillNumber = System.Text.RegularExpressions.Regex.Split(hdnBills, @"\,");
            string   billNo      = "";
            for (int i = 0; i < sBillNumber.Length; i++)
            {
                if (sBillNumber.Length > 0)
                {
                    if (sBillNumber[i] != "")
                    {
                        if (billNo == "")
                        {
                            billNo = "'" + sBillNumber[i].ToString() + "'";
                        }
                        else
                        {
                            billNo = billNo + "," + "'" + sBillNumber[i].ToString() + "'";
                        }
                    }
                }
            }
            Bill_Sys_NF3_Template template = new Bill_Sys_NF3_Template();
            dset = new DataSet();
            dset = template.GetVerification_Answer(billNo, this.txtCompanyID.Text);
            grdVerificationSend.DataSource = dset.Tables[0];
            grdVerificationSend.DataBind();
        }
        catch (Exception ex)
        {
            lblErrorMessage.Visible = true;
            lblErrorMessage.Text    = ex.Message.ToString();
            Elmah.ErrorSignal.FromCurrentContext().Raise(ex);
            using (Utils utility = new Utils())
            {
                utility.MethodEnd(id, System.Reflection.MethodBase.GetCurrentMethod());
            }
            string str2 = "Error Request=" + id + ".Please share with Technical support.";
            base.Response.Redirect("../Bill_Sys_ErrorPage.aspx?ErrMsg=" + str2);
        }
        //Method End
        using (Utils utility = new Utils())
        {
            utility.MethodEnd(id, System.Reflection.MethodBase.GetCurrentMethod());
        }
    }