private void btnTraSach_ItemClick(object sender, ItemClickEventArgs e)
{
Form frm = formCheck(typeof(frmTraSach));
if (frm == null)
{
frmTraSach f = new frmTraSach();
f.MdiParent = this;
f.Show();
}
else
{
frm.Activate();
}
}
private void btnTraSach_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
{
Form frm = this.KiemTraTonTai(typeof(frmTraSach));
if (frm != null)
{
frm.Activate();
}
else
{
frmTraSach f = new frmTraSach();
f.MdiParent = this;
f.Show();
}
}
private void trảTàiLiệuToolStripMenuItem_Click(object sender, EventArgs e)
{
frmTraSach frm = new frmTraSach();
frm.Show();
}