WebServices(C#)--返回自定义数据类型

// 自定义用户信息
    public class UserInfo
    {
        public string strName;      //用户名
        public string strPass;      //密码
        public string strSex;       //性别
        public string sTraddress;   //地址
        public string strEmail;     //邮件
    };

    [WebMethod(Description = "功能：显示用户基本信息 | 参数：用户代码；用户密码 | 返回：基本信息 | 返回类型：UserInfo")]
    // 显示用户基本信息
    public UserInfo GetShowInfo(string strCode,string strPass)
    {
        try
        {
            if ((strCode.Trim().Length != 0) && (strPass.Trim().Length != 0))
            {
                UserInfo MyUserInfo = new UserInfo();
                MyUserInfo.strName = "demo";
                MyUserInfo.strPass = "123456";
                MyUserInfo.strSex = "男";
                MyUserInfo.sTraddress = "浙江省杭州市";
                MyUserInfo.strEmail = "[email protected]";                return MyUserInfo;            }            else             {                return null;            }        }        catch        {            return null;        }    }