XML serialization and DefaultValue(“”) related problem in c#

Question

my class property has default value which will be serialize.

public class DeclaredValue
{
    [XmlElement(ElementName = \"Amount\", DataType = \"double\", Is         


        

Answer 1

Per the note on MSDN:

A DefaultValueAttribute will not cause a member to be automatically initialized with the attribute's value. You must set the initial value in your code.

Somewhat surprisingly the DefaultValue only regulates the writing of an object, members that are equal to their DefaultValue will not be written out.

You must still initialize members before or after loading yourself, for example in the constructor.