public void clerar()
{
old1.Clear(); old2.Clear(); old3.Clear(); old4.Clear();
New1.Clear(); New2.Clear(); New3.Clear(); New4.Clear();
Con1.Clear(); Con2.Clear(); Con3.Clear(); Con4.Clear();
button3.Hide();
}
private void Con1_KeyDown(object sender, KeyEventArgs e)
{
if (e.KeyCode == Keys.Back)
{
New4.Clear();
New4.Focus();
p = 1;
}
}
private void New4_TextChanged(object sender, EventArgs e)
{
if (old1.Text == "" && old2.Text == "" & old3.Text == "" && old4.Text == "")
{
label16.Visible = true;
label16.Text = "Fill all text !";
New1.Clear();
New2.Clear();
New3.Clear();
New4.Clear();
New1.Focus();
}
else
{
label16.Visible = false;
Con1.Focus();
}
}