C#最完整的webservice实例
http://fyinthesky.blog.163.com/blog/static/3555251720110115227337/
http://wenku.baidu.com/link?url=EW3D3Qu5wtU2OdKHrYP3nPgUwr2CtKLeNd78Yyrs36VAywMS4hQFfplHOg7VWzfBsDeRnJHfXdvO-ONpsBpnELKEgcmJS7WgDryPjAA_BWa