public SalesTaxGroup Add(SalesTaxGroup pt)
 {
     _unitOfWork.Repository <SalesTaxGroup>().Insert(pt);
     return(pt);
 }
 public void Delete(SalesTaxGroup pt)
 {
     _unitOfWork.Repository <SalesTaxGroup>().Delete(pt);
 }
 public void Update(SalesTaxGroup pt)
 {
     pt.ObjectState = ObjectState.Modified;
     _unitOfWork.Repository <SalesTaxGroup>().Update(pt);
 }
 public SalesTaxGroup Create(SalesTaxGroup pt)
 {
     pt.ObjectState = ObjectState.Added;
     _unitOfWork.Repository <SalesTaxGroup>().Insert(pt);
     return(pt);
 }