private void BtnMostrar_Click(object sender, EventArgs e)
{
if (TxtInicio.Text.Trim().Length == 0)
{
MessageBox.Show("INGRESE UN DATO");
TxtInicio.Focus();
return;
}
if (TxtFinal.Text.Trim().Length == 0)
{
MessageBox.Show("INGRESE UN DATO");
TxtFinal.Focus();
return;
}
int i, nin, nf, rest = 0;
nin = Convert.ToInt16(TxtInicio.Text);
nf = Convert.ToInt16(TxtFinal.Text);
for (i = nin; i <= nf; i++)
{
rest += i;
}
TxtRest.Text = rest.ToString();
}
private void button1_Click(object sender, EventArgs e)
{
TxtInicio.Clear();
TxtFinal.Clear();
TxtRest.Clear();
TxtInicio.Focus();
}
private void BtnMostrar_Click(object sender, EventArgs e)
{
if (TxtInicio.Text.Trim().Length == 0)
{
MessageBox.Show("Ingrese un valor");
TxtInicio.Focus();
return;
}
if (TxtFinal.Text.Trim().Length == 0)
{
MessageBox.Show("Ingrese un valor");
TxtFinal.Focus();
return;
}
int i, ni, nf;
ni = Convert.ToInt16(TxtInicio.Text.Trim());
nf = Convert.ToInt16(TxtFinal.Text.Trim());
for (i = ni; i <= nf; i++)
{
TxtMostrar.Text = TxtMostrar.Text + i.ToString() + " ";
}
}