private void btnThemSach_ItemClick(object sender, ItemClickEventArgs e)
{
Form frm = formCheck(typeof(frmQuanLySach));
if (frm == null)
{
frmQuanLySach f = new frmQuanLySach();
f.MdiParent = this;
f.Show();
}
else
{
frm.Activate();
}
}
/*********************************************
*********************************************
* Tab 1: Sách
*********************************************
*********************************************/
private void btnSach_Them_Click(object sender, EventArgs e)
{
frmQuanLySach frmQLSach = new frmQuanLySach();
frmQLSach.ShowDialog();
}