public MaterialsInformationTDS.CostHistoryExceptionsInformationDataTable GetCostsExceptionsNew()
        {
            materialsInformationCostsExceptions = (MaterialsInformationTDS.CostHistoryExceptionsInformationDataTable)Session["materialsCostsExceptionsDummy"];
            if (materialsInformationCostsExceptions == null)
            {
                materialsInformationCostsExceptions = ((MaterialsInformationTDS)Session["materialsInformationTDS"]).CostHistoryExceptionsInformation;
            }

            return materialsInformationCostsExceptions;
        }
        protected void AddCostsExceptionsNewEmptyFix(GridView grdView)
        {
            if (grdCostsExceptions.Rows.Count == 0)
            {
                int companyId = Int32.Parse(hdfCompanyId.Value);
                MaterialsInformationTDS.CostHistoryExceptionsInformationDataTable dt = new MaterialsInformationTDS.CostHistoryExceptionsInformationDataTable();
                dt.AddCostHistoryExceptionsInformationRow(Convert.ToInt32(Session["costIdSelected"]), -1, -1, "", "", "", 0, 0, false, companyId, false, "");
                Session["materialsCostsExceptionsDummy"] = dt;

                grdCostsExceptions.DataBind();
            }

            // Normally executes at all postbacks
            if (grdCostsExceptions.Rows.Count == 1)
            {
                MaterialsInformationTDS.CostHistoryExceptionsInformationDataTable dt = (MaterialsInformationTDS.CostHistoryExceptionsInformationDataTable)Session["materialsCostsExceptionsDummy"];
                if (dt != null)
                {
                    grdCostsExceptions.Rows[0].Visible = false;
                    grdCostsExceptions.Rows[0].Controls.Clear();
                }
            }
        }