Serialize and deserialize sample class. Output will looks like this
<?xml version="1.0" encoding="utf-8"?>
<PriceGroups xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema">
<PriceGroup ID="1">
<GradeID>1</GradeID>
<Price>2310</Price>
<GradeID>2</GradeID>
<Price>1110</Price>
<GradeID>3</GradeID>
<Price>2210</Price>
<GradeID>4</GradeID>
<Price>1210</Price>
</PriceGroup>
</PriceGroups>
Price Group ID: 1
Grade 1 price 2310
Grade 2 price 1110
Grade 3 price 2210
Grade 4 price 1210