using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;

namespace controles_basicos
{
 /// <summary>
 /// Descripción breve de Form1.
 /// </summary>
 public class Form1 : System.Windows.Forms.Form
 {
  private System.Windows.Forms.TextBox ctdato;
  private System.Windows.Forms.Button btañadir;
  private System.Windows.Forms.CheckBox... Continuar leyendo