public void Modify(int p_Reporte_OID, Nullable <DateTime> p_fecha) { ReporteEN reporteEN = null; //Initialized ReporteEN reporteEN = new ReporteEN(); reporteEN.Id_reporte = p_Reporte_OID; reporteEN.Fecha = p_fecha; //Call to ReporteCAD _IReporteCAD.Modify(reporteEN); }