private void toolStripMenuItem5_Click(object sender, EventArgs e)
        {
            frmHinhthuckyluat htkl = new frmHinhthuckyluat();

            htkl.Show();
        }
        private void buttonItem10_Click_1(object sender, EventArgs e)
        {
            frmHinhthuckyluat htkl = new frmHinhthuckyluat();

            htkl.Show();
        }