public void UpdateMethodOK()
{
clsQualityCollection AllProducts = new clsQualityCollection();
clsQuality TestItem = new clsQuality();
Int32 PrimaryKey = 1;
TestItem.Defective = true;
TestItem.ProductName = "Blue";
TestItem.StaffID = 1;
TestItem.BatchNo = 1;
TestItem.Grade = 'A';
TestItem.Date = DateTime.Now.Date;
AllProducts.ThisProduct = TestItem;
PrimaryKey = AllProducts.Add();
TestItem.ProductNo = PrimaryKey;
//modify test data
TestItem.ProductName = "Red";
TestItem.StaffID = 2;
TestItem.BatchNo = 2;
TestItem.Date = DateTime.Now.Date;
TestItem.Grade = 'C';
TestItem.Defective = false;
AllProducts.ThisProduct = TestItem;
AllProducts.Update();
AllProducts.ThisProduct.Find(PrimaryKey);
Assert.AreEqual(AllProducts.ThisProduct, TestItem);
}
