public void SalesOrdersController_Delete_GET_isValid()
        {
            SalesOrdersController controller = new SalesOrdersController();

            ViewResult result = controller.Delete(1) as ViewResult;
            SalesOrder SalesOrdersResult = (SalesOrder)result.Model;

            Assert.AreEqual(1, SalesOrdersResult.salesOrderID);
        }
        public void SalesOrdersController_Delete_GET_isNotValid()
        {
            SalesOrdersController controller = new SalesOrdersController();

            HttpNotFoundResult result = controller.Delete(9999999) as HttpNotFoundResult;
            var expectedResult = new HttpNotFoundResult().GetType();

            Assert.IsInstanceOfType(result, expectedResult);
        }