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This is a test.

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

namespace _04_05_2011_Aplicacion_1
    public partial class Form1 : Form
        public Form1()

        private void BtnLogin_Click(object sender, EventArgs e)
            if (TxtUser.Text == "keplerk" && TxtPassword.Text == "r7rru9qo")
                LblUser.Visible = false;
                LblPassword.Visible = false;
                BtnLogin.Visible = false;
                BtnReset.Visible = false;
                BtnReturn.Visible = true;
                LblLogued.Visible = true;
                TxtUser.Visible = false;
                TxtPassword.Visible = false;
                MessageBox.Show("Error datos incorrectos");

        private void BtnReturn_Click(object sender, EventArgs e)
            LblUser.Visible = true;
            LblPassword.Visible = true;
            BtnLogin.Visible = true;
            BtnReset.Visible = true;
            BtnReturn.Visible = false;
            LblLogued.Visible = false;
            TxtUser.Visible = true;
            TxtPassword.Visible = true;


        private void BtnReset_Click(object sender, EventArgs e)
            TxtUser.Text = "";
            TxtPassword.Text = "";


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