private void btnSP_Click(object sender, EventArgs e)
{
frmSanPham frmSP = new frmSanPham();
tbChiTiet.Show();
tbChiTiet.Controls.Clear();
frmSP.TopLevel = false;
frmSP.Dock = DockStyle.Fill;
tbChiTiet.Controls.Add(frmSP);
frmSP.Show();
tabControlPanel1.Hide();
}
private void btnSanPham_ItemClick(object sender, ItemClickEventArgs e)
{
Form frm = CheckForm(typeof(frmSanPham));
if (frm != null)
{
frm.Activate();
}
else
{
frmSanPham frmN = new frmSanPham();
frmN.MdiParent = this;
frmN.Show();
}
}