Already is:
[EdmScalarPropertyAttribute(EntityKeyProperty=false, IsNullable=true)]
[DataMemberAttribute()]
public Nullable<global::system.int32 xmlns:global="#unknown"> TestUserID
{
get
{
return _TestUserID;
}
set
{
OnTestUserIDChanging(value);
ReportPropertyChanging("TestUserID");
_TestUserID = StructuralObject.SetValidValue(value);
ReportPropertyChanged("TestUserID");
OnTestUserIDChanged();
}
}
private Nullable<global::system.int32> _TestUserID;
partial void OnTestUserIDChanging(Nullable<global::system.int32> value);
partial void OnTestUserIDChanged();</global::system.int32></global::system.int32></global::system.int32>