怎么让.net输出\uxxxx的unicode格式的字符

如何让.net输出\uxxxx的unicode格式的字符
求救啊！！

C# code

<%@ WebHandler Language="C#" Class="Handler2" %>using System;using System.Web;public class Handler2 : IHttpHandler {        public void ProcessRequest (HttpContext context) {        context.Response.ContentType = "text/xml";        string s = "我";        string result=transfer(s);      //  u6211        context.Response.Write(result);    }    string transfer(string aa)    {        return "\u6211";    }            public bool IsReusable {        get {            return false;        }    }}

C# code

char[] chs = s.ToCharArray();        string result = string.Empty;        foreach (char c in chs)        {            result += char.ConvertToUtf32(c.ToString(), 0).ToString("x");        }        return result;