protected void MaterialsInformationEmptyFix(GridView grdView)
        {
            if (grdView.Rows.Count == 0)
            {
                ProjectCostingSheetAddTDS.CombinedMaterialsInformationDataTable dt = new ProjectCostingSheetAddTDS.CombinedMaterialsInformationDataTable();
                dt.AddCombinedMaterialsInformationRow(0, 0, 0, 0, 0, 0, 0, 0, false, 3, false, "", "", "", DateTime.Now, DateTime.Now, false, "", "", 0, 0, "");
                Session["materialsInformationDummy"] = dt;

                grdView.DataBind();
            }

            // Normally executes at all postbacks
            if (grdView.Rows.Count == 1)
            {
                ProjectCostingSheetAddTDS.CombinedMaterialsInformationDataTable dt = (ProjectCostingSheetAddTDS.CombinedMaterialsInformationDataTable)Session["materialsInformationDummy"];
                if (dt != null)
                {
                    // Hide row
                    grdView.Rows[0].Visible = false;
                    grdView.Rows[0].Controls.Clear();
                }
            }
        }