private void buttonAdd_Click(object sender, EventArgs e)
{
registerForm rf = new registerForm();
rf.Owner = this;
rf.StartPosition = FormStartPosition.CenterScreen;
rf.Show();
}
private void buttonRegister_Click(object sender, EventArgs e)
{
this.Close();
registerForm rf = new registerForm();
rf.Owner = this;
rf.StartPosition = FormStartPosition.CenterScreen;
rf.textBoxID.Text = labelAlertID.Text;
rf.textBoxID.Enabled = false;
rf.ShowDialog();
}