private void tsbtnNhapHang_Click(object sender, EventArgs e)
{
if (!IsShow("frmNhapHang"))
{
frmNhapHang nhaphang = new frmNhapHang();
nhaphang.StartPosition = FormStartPosition.CenterScreen;
nhaphang.MdiParent = this;
nhaphang.Show();
}
else
{
foreach (Form frmNhapHang in this.MdiChildren)
{
if (frmNhapHang.Name == "frmNhapHang")
{
frmNhapHang.Activate();
break;
}
}
}
}
private void mnuNhapHang_Click(object sender, EventArgs e)
{
frmNhapHang nhaphang = new frmNhapHang();
nhaphang.ShowDialog();
}
