practica 5.2 A

practica 5.1 A consola y windows

consola

namespace practica_5._2_consola
{
class Program
{
static void Main(string[] args)
{
int cl;
do{
Console.WriteLine("introduce calificacion");
cl= int.Parse(Console.ReadLine());
Console.WriteLine("la calificacion:{0}",cl);
}
while(cl>=0 cl <=100); Console.Read();

practica en windows

namespace practica_5._3_windows
{
public partial class Form1 : Form
{
int c1;
public Form1()
{
c1 = 0;
InitializeComponent();
}
private void button1_Click(object sender, EventArgs e)
{
c1 = int.Parse(textBox1.Text);
if (c1 <> 100)
{
textBox1.Enabled = false;
}
else
{
listBox1.Items.Add(c1);
}
}
private void button2_Click(object sender, EventArgs e)
{
textBox1.Enabled = true;
textBox1.Clear();
listBox1.Items.Clear();
}
private void button3_Click(object sender, EventArgs e)
{
Close();
}