private void New4_KeyDown(object sender, KeyEventArgs e)
{
if (e.KeyCode == Keys.Back)
{
New3.Clear();
New3.Focus();
p = 1;
}
}
private void textBox2_TextChanged(object sender, EventArgs e)
{
if (p == 0)
{
New3.Focus();
p = 0;
}
if (p == 1)
{
p = 0;
}
}