答案:该属性设置为私有，并且应该是公开的.一旦我改变了一切，一切都很好.

Answer: The properties are set to private, and they should've been public. Once I switched that around, all was well.

信贷可以在C#聊天中获得令人惊叹的答案.

Credit goes to drch on the C# chat for this amazing answer.