Can XmlSerializer deserialize into a Nullable?

I think you need to prefix the nil=”true” with a namespace in order for XmlSerializer to deserialise to null.

MSDN on xsi:nil

<?xml version="1.0" encoding="UTF-8"?>
<entities xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:type="array">
  <entity>
    <id xsi:type="integer">1</id>
    <name>Foo</name>
    <parent-id xsi:type="integer" xsi:nil="true"/>

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