private void Tbx_Nota2_TextChanged(object sender, EventArgs e)
{
if (Tbx_Nota2.Text != "")
{
Btn_Calcular.Enabled = true;
double Nota2 = Convert.ToDouble(Tbx_Nota2.Text);
if (Nota2 > 100)
{
MessageBox.Show("Favor Introducir valores del 0-100");
Tbx_Nota2.Clear();
}
else
{
if (Tbx_Nota2.Text.Length == 4 || Tbx_Nota2.Text == "100")
{
Tbx_CR3.Focus();
}
}
}
else
{
Tbx_Nota2.Focus();
Tbx_Nota2.Text = "0";
Tbx_Nota2.SelectAll();
}
}
private void Tbx_CR3_TextChanged(object sender, EventArgs e)
{
if (Tbx_CR3.Text != "")
{
Btn_Calcular.Enabled = true;
double CR3 = Convert.ToDouble(Tbx_CR3.Text);
if (CR3 > 4)
{
MessageBox.Show("Favor Introducir valores del 1-4");
Tbx_CR3.Clear();
}
else
{
if (Tbx_CR3.Text.Length == 1 && Tbx_CR3.Text != "0")
{
Tbx_Nota3.Focus();
}
}
}
else
{
Tbx_CR3.Focus();
Tbx_CR3.Text = "0";
Tbx_CR3.SelectAll();
}
}