未处理DIRECTORYNOTFOUNDEXCEPTION
如图：


有关代码如下：

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.IO;
using System.Collections;
using SHF_BT;
using SHF_DA;
using SHF_UI;


namespace MES64G08_111_UI
{
    public partial class uiMES64G08_111_CourseShow : SHF_UI.uiSHF_CourseBase
    {
        #region 局部变量
        private btSHFPage page;
        private btSHFPages pages;
        private btSHFUserLogin userLogin;
        private string path = Directory.GetCurrentDirectory() + "..\\..\\..\\..\\SHFDB\\Text\\";

        #endregion

        #region 构造函数
        public uiMES64G08_111_CourseShow()
        {
            InitializeComponent();
        }
           //从test调入时的构造函数
        public uiMES64G08_111_CourseShow(Form callForm, btSHFUserLogin callLog, btSHFPage callPage)
            : base(callForm, callLog)
        {
            InitializeComponent();
            this.page = callPage;
            this.userLogin = callLog;
            pages = new btSHFPages();
        }
        #endregion

        #region 窗口载入
        private void uiMES64G08_111_CourseShow_Load(object sender, EventArgs e)
        {

        }
        #endregion

        #region 在窗口中显示信息
        private void showInfo()//在窗口中显示教学信息
        {

            string path1 = path + page.TextInfo;
            this.readFile(path1, this.richTextBox1);
        }
        #endregion

        #region 读取文本文件的内容(文本文件编码方式:UTF-8)
        public void readFile(string path, RichTextBox richTextBox)
        {
            richTextBox1.Clear();
            richTextBox1.SelectionAlignment = HorizontalAlignment.Left;
            richTextBox1.SelectionIndent = 20;
            richTextBox1.SelectionHangingIndent = -20;
            richTextBox1.Multiline = true;
            StreamReader din = File.OpenText(path);
            String str;
            ArrayList al = new ArrayList();

            while ((str = din.ReadLine()) != null)
            {
                al.Add(str);
            }

            foreach (string s in al)
            {
                richTextBox1.SelectedText += s;
                richTextBox1.SelectedText += "\r\n";
            }
            din.Close();
        } 
 
        #endregion

        #region 选择学习项目

        private void 卦型_Click(object sender, EventArgs e)
        {
            page = pages.GetOne(2);
            showInfo();
        }

        private void 来源_Click(object sender, EventArgs e)
        {
            page = pages.GetOne(3);
            showInfo();
        }

        private void 预示_Click(object sender, EventArgs e)
        {

        }

        private void 象彖_Click(object sender, EventArgs e)
        {
            page = pages.GetOne(4);
            showInfo();
        }

        private void 全卦内容_Click(object sender, EventArgs e)
        {

        }

        private void 含义_Click(object sender, EventArgs e)
        {
            page = pages.GetOne(7);
            showInfo();
        }

        private void 白话解释_Click(object sender, EventArgs e)
        {
            page = pages.GetOne(6);
            showInfo();
        }

        #endregion
    }
}

我把要读取的TXT文件也确实在路径下：


所以这个报错是怎么回事..求大家帮助 C#
[解决办法]
private string path = Directory.GetCurrentDirectory();
string path1 = path + "\\1.txt";
测试正常，呵呵，你的目录问题
[解决办法]
找不到路径，把异常中的路径信息copy到资源管理器中，看看是不是可以。

如果可以，可能是权限问题。