private void button3_Click_1(object sender, EventArgs e)
{
register register = new register();
register.FormClosing += new FormClosingEventHandler(ChildFormClosing);
register.Show();
}
private void button3_Click(object sender, EventArgs e)
{
register register = new register();
register.Show();
register.comboBox2.SelectedText = textBox2.Text;
register.textBox1.Text = textBox11.Text;
register.textBox3.Text = drpesel;
register.textBox1.Enabled = false;
}