win项目中的读html文件老路径不对，帮看看

Question

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Web;
using System.IO;
.......
.......
Encoding code = Encoding.GetEncoding("gb2312");//定义文字编码     
            //   读取模板文件     
            string temp = HttpContext.Current.Server.MapPath("0.html");  //这里有试过"\\0.html","/0.html"
            StreamReader sr = null;
            string str = "";
            try
            {
                sr = new StreamReader(temp, code);
                str = sr.ReadToEnd();   //   读取文件     
            }
            catch (Exception exp)
            {
                //HttpContext.Current.Response.Write(exp.Message);
                //HttpContext.Current.Response.End();
                sr.Close();
                return str;
            }
            sr.Close();
            return str;不论我是把文件放在\bin\Debug\下，还是项目的根目录下，都没法读出来那里错了呀？

Answer 1

string path = Application.StartupPath + "\\0.html";
string temp = HttpContext.Current.Server.MapPath(path);