public void TestGetCharWithIsDBNullCheck()
        {
            var reader = new ListDataReader <Student>(_Students);

            reader.Read();
            var col = "Char";

            Assert.Equal('2', reader.GetCharWithNull(col).Value);
            reader.Read();
            Assert.False(reader.GetCharWithNull(col).HasValue);
            reader.Read();
            Assert.Equal('3', reader.GetCharWithNull(col).Value);
        }