public static AscmMtlOnhandQuantitiesDetailService GetInstance()
 {
     //return ascmDeliveryOrderMainServices ?? new ascmDeliveryOrderMainServices();
     if (ascmMtlOnhandQuantitiesDetailServices == null)
         ascmMtlOnhandQuantitiesDetailServices = new AscmMtlOnhandQuantitiesDetailService();
     return ascmMtlOnhandQuantitiesDetailServices;
 }
 public static AscmMtlOnhandQuantitiesDetailService GetInstance()
 {
     //return ascmDeliveryOrderMainServices ?? new ascmDeliveryOrderMainServices();
     if (ascmMtlOnhandQuantitiesDetailServices == null)
     {
         ascmMtlOnhandQuantitiesDetailServices = new AscmMtlOnhandQuantitiesDetailService();
     }
     return(ascmMtlOnhandQuantitiesDetailServices);
 }