Xml Serialization Behavior

Xml Serializer behaves differently based on the datatype and the behaviour of the property(Nullable/Not Nullable). Some time we may get confusion on why the xml serializer throwing an exception. Find the below table contains when the xml serializer throws an exception or when the object is instantiated.

Data Type	Property Behavior	Tag removed	i:nil="true"	Empty Tag	Invalid Content	Comments
Int, decimal	Nullable	Null	Null	Exception	Exception
	Not Nullable	0	Exception	Exception	Exception
DateTime	Nullable	Null	Null	Exception	Exception	DateTime should be the following format, otherwise throws an exception 1) yyyy-MM-ddTHH:mm:ss 2)yyyy-MM-dd 3)HH:mm:ss
	Not Nullable	0001-01-01T00:00:00	Exception	Exception	Exception
Collections	-NA-	Initialized new object with collection count as zero	Initialized new object with collection count as zero	Initialized new object with collection count as zero	Initialized new object with collection count as zero	Decorate property with [XmlElement(IsNullable=true)] attribute to set the property as null instead of initializing new object
Csharp Object	-NA-	Null	Initialized to New Object	Initialized to New Object	Initialized to New Object	Decorate property with [XmlElement(IsNullable=true)] attribute to set the property as null instead of initializing new object
Enum	Nullable	Null	Null	Exception	Exception
	Not Nullable	Initialized with firt enum element	Exception	Exception	Exception