private void btnDonViTinh_Click(object sender, EventArgs e)
        {
            frmQuanLyDonViTinh frm = new frmQuanLyDonViTinh();

            frm.ShowDialog();
            loadDonViTinh();
        }
        private void barBtnDonViTinh_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
        {
            frmQuanLyDonViTinh frm = new frmQuanLyDonViTinh();

            frm.ShowDialog();
            loadDonViTinh();
        }
 private void btnDonViTinh_Click(object sender, EventArgs e)
 {
     frmQuanLyDonViTinh frm = new frmQuanLyDonViTinh();
     frm.ShowDialog();
     loadDonViTinh();
 }
 private void barBtnDonViTinh_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
 {
     frmQuanLyDonViTinh frm = new frmQuanLyDonViTinh();
     frm.ShowDialog();
     loadDonViTinh();
 }