protected void grdCompaniesSetup_RowDeleting(object sender, GridViewDeleteEventArgs e) { // Delete subcontractor int companiesId = (int)e.Keys["COMPANIES_ID"]; DateTime date = (DateTime)e.Keys["Date"]; HotelsSetupHotelsSetup model = new HotelsSetupHotelsSetup(hotelsSetupTDS); model.Delete(companiesId, date); // Store dataset Session["hotelsSetupTDS"] = hotelsSetupTDS; Session["hotelsSetupTable"] = hotelsSetupTDS.HotelsSetup; }