public IQueryable<SalesOrder> GetSalesOrder()
 {
     List<SalesOrder> salesOrder = new List<SalesOrder>();
     using (_uowProcess = new UnitOfWorkInventorySystemProcessEntities())
     {
         SalesOrderRepository repo = new SalesOrderRepository(_uowProcess);
         salesOrder = repo.FindAll.ToList();
     }
     return salesOrder.AsQueryable();
 }
        public SalesOrder GetSalesOrderById(int id)
        {
            SalesOrder salesOrder = new SalesOrder();
            using (_uowProcess = new UnitOfWorkInventorySystemProcessEntities())
            {
                SalesOrderRepository repo = new SalesOrderRepository(_uowProcess);
                salesOrder = repo.Find(id);
            }

            return salesOrder;
        }