//to make textbox appear for Number and Date
private void RBnum_CheckedChanged(object sender, EventArgs e)
{
if (RBnum.Checked)
{
Tname.Hide();
textBox1.Show();
Tyear.Show();
}
}
//to Hide all when you open the form
private void RecherchActe_Load(object sender, EventArgs e)
{
Tname.Hide();
Tyear.Hide();
}