c# winform文件读取问题

Question

[align=left]    private void 打开ToolStripMenuItem_Click(object sender, EventArgs e)
        {
 openFileDialog1.InitialDirectory = @"d:\我的文档\桌面";
            openFileDialog1.Filter = "(*.txt)|*.txt";
         if (openFileDialog1.ShowDialog() == DialogResult.Cancel)
            {
                return;
            }
            else
            {
                Form2 form2 = new Form2();
                form2.Text = openFileDialog1.FileName;
                StreamReader sr = new StreamReader(openFileDialog1.OpenFile());                form2.richTextBox1.Text =sr.ReadToEnd();
                
                form2.MdiParent = this;
                form2.Show();
            }
           
        }[/align]
这段代码是在主窗体（form1）写的，用openFileDialog1控件打开，读取文件，然后出来就是乱码，为什么，请高手帮忙，谢谢

Answer 1

  private void 打开ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            openFileDialog1.InitialDirectory = @"d:\我的文档\桌面";
            openFileDialog1.Filter = "(*.txt)|*.txt";
            openFileDialog1.Multiselect = false;
            if (openFileDialog1.ShowDialog() == DialogResult.Cancel)
            {
                return;
            }
            else
            {
                Form2 form2 = new Form2();
                form2.Text = openFileDialog1.FileName;
                StreamReader sr = new StreamReader(openFileDialog1.OpenFile());                form2.richTextBox1.Text =sr.ReadToEnd();
                
                form2.MdiParent = this;
                form2.Show();
            }
           
        }高手帮忙，谢谢。QQ125029105

Answer 2

出现乱码多半是编码问题。你的txt中有中文或其他的，你的txt中都换成英文试试！
参考：
http://blog.csdn.net/lzy_1515/archive/2010/04/28/5538664.aspx

Answer 3

StreamReader sr = new StreamReader(openFileDialog1.OpenFile());查看类，应该有重写的