private void bt_tao_moi_Click(object sender, EventArgs e)
{
flag = true;
frm_CTHD ct = new frm_CTHD();
this.Hide();
ct.ShowDialog();
lam_moi_listview();
this.Show();
}
private void lstv_list_HD_MouseDoubleClick(object sender, MouseEventArgs e)
{
flag = !true;
frm_CTHD ct = new frm_CTHD();
this.Hide();
lvi_selected_hd = lstv_list_HD.SelectedItems[0];
hd_id = Convert.ToInt16(lstv_list_HD.SelectedItems[0].SubItems[0].Text);
ct.ShowDialog();
this.Show();
}
