LEER TEXTO

using System;using System.Collections.Generic;using System.ComponentModel;using System.Data;using System.Drawing;using System.Linq;using System.Text;using System.Threading.Tasks;using System.Windows.Forms;using System.IO;

namespace ejercicio_archivo{

public partial class Form1 : Form{

public Form1(){

InitializeComponent();}

private void textBox1_TextChanged(object sender, EventArgs e){

}

private void button1_Click(object sender, EventArgs e){

if (openFileDialog1.ShowDialog() == DialogResult.OK){

StreamReader archivo = new StreamReader(openFileDialog1.FileName);textBox1.Text = openFileDialog1.FileName;while (archivo.Peek() >= 0){

textBox2.Text += archivo.ReadLine() + "\r\n";}archivo.Close();

}

}

private void textBox2_TextChanged(object sender, EventArgs e){

}}

}