从我的服务返回时，WCF对象属性设置为NULL

I have a WCF service that returns a complex object (just a class). I can step into the construction on the object and see that it's properties are being populated but when I hit the F11 key on the return statement of the method that populates the object and i'm on the next line back in the client all the objects properties are NULLI have a WCF service that returns a complex obj