c# - XmlSerializer - object to string returning "p2:nill" instead of xsi:nill -

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after serialzation, object string

i getting current xml

  <obj>     ...     <field p2:nil="true" xmlns:p2="http://www.w3.org/2001/xmlschema-instance"/>     ...   </obj>

the field nullable waiting xsi:nill, instead getting p2:nill why?

when building xmlserializer can control namespaces, if don't random(ish) names applied. try seeing if helps 

var ns = new xmlserializernamespaces(); ns.add("xsi", "http://www.w3.org/2001/xmlschema-instance");  var ser = new xmlserializer(typeof(anentity)); ser.serialize(console.out, new anentity(), ns);

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