private void barButtonItem7_ItemClick_1(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
{
NhapDonViTinh_Form nhadvt = new NhapDonViTinh_Form();
nhadvt.ShowDialog();
}
private void btnAdd_Click(object sender, EventArgs e)
{
NhapDonViTinh_Form nhapdvt = new NhapDonViTinh_Form();
nhapdvt.ShowDialog();
}
