public void RetrieveDateAsStringAndDateTime()
{
DataValueCollection <string> collection = new DataValueCollection <string>();
collection.Set("Date", "12/12/2014");
Assert.AreEqual("12/12/2014", collection.RetrieveString("Date"));
Assert.AreEqual(DateTime.Parse("12/12/2014"), collection.RetrieveDateTime("Date"));
}
