使用C＃.net 2.0 WebService的复杂类型编码输入参数的正确方法是什么？

I am currently building a new version of webservice that my company already provides. The current webservice has an input parameter of type string. In that string an entire xml doc is passed. We then validate that string against an xsd (the same xsd given to the consumer). It looks something like this:I am currently building a new version of webser