C#

<br />
try<br />
                {<br />
                    // Create an instance of StreamReader to read from a file.<br />
                    // The using statement also closes the StreamReader.<br />
                    using (StreamReader sr = new StreamReader(textBox1.Text,Encoding.ASCII,true))// Where textbox1.text is a path<br />
                    {<br />
                        String line;<br />
                        // Read and display lines from the file until the end of <br />
                        // the file is reached.<br />
                        while ((line = sr.ReadLine()) != null)<br />
                        {<br />
                         richTextBox1.Text =richTextBox1.Text +Environment.NewLine+ line;<br />
<br />
                            //MessageBox.Show(line);<br />
                        }<br />
                    }<br />
                }<br />