private void ToolStripMenuItemQuanLyNangLuong_Click(object sender, EventArgs e)
{
if (ttLuong == null || ttLuong.IsDisposed)
{
ttLuong = new FrmDanhSachNangLuong();
}
ttLuong.MdiParent = this;
ttLuong.Show(dockPanelMain);
}
private void btnNangLuong_Click(object sender, EventArgs e)
{
if (ttLuong == null || ttLuong.IsDisposed)
{
ttLuong = new FrmDanhSachNangLuong();
}
ttLuong.MdiParent = this;
ttLuong.Show(dockPanelMain);
this.Activate();
}