public void TestGetGuid()
{
var reader = new ListDataReader <Student>(_Students);
reader.Read();
var col = "Guid2";
Assert.Equal(Guid.Parse("E82E26DA-AED1-4FD3-BFF9-73BE66F28EED"), reader.GetGuid(col));
reader.Read();
reader.Read();
Assert.Equal(Guid.Parse("A82E26DA-AED1-4FD3-BFF9-73BE66F28EED"), reader.GetGuid(col));
}