private void tsbtnQuanLyHangHoa_Click(object sender, EventArgs e)
{
if (!IsShow("frmQuanLyHangHoa"))
{
frmQuanLyHangHoa hanghoa = new frmQuanLyHangHoa();
hanghoa.StartPosition = FormStartPosition.CenterScreen;
hanghoa.MdiParent = this;
hanghoa.Show();
}
else
{
foreach (Form frmQuanLyHangHoa in this.MdiChildren)
{
if (frmQuanLyHangHoa.Name == "frmNhomHangHoa")
{
frmQuanLyHangHoa.Activate();
break;
}
}
}
}
private void mnuQLHangHoa_Click(object sender, EventArgs e)
{
frmQuanLyHangHoa quanlyhanghoa = new frmQuanLyHangHoa();
quanlyhanghoa.ShowDialog();
}