public void LHD()
{
// this.fluentDesignFormContainer1.Controls.Clear();
LapHoaDon tk = new LapHoaDon();
// tk.TopLevel = false;
// tk.Dock = DockStyle.Fill;
// this.fluentDesignFormContainer1.Controls.Add(tk);
tk.ShowDialog();
}
private void barButtonItem1_ItemClick(object sender, ItemClickEventArgs e)
{
//TrangChu tc = new TrangChu();
//tc.fluentDesignFormContainer1.Controls.Clear();
LapHoaDon tb = new LapHoaDon();
tb.TopLevel = false;
this.tableLayoutPanel1.Controls.Add(tb);
tb.Show();
//this.tableLayoutPanel1.Controls.Clear();
//LapHoaDon tb = new LapHoaDon();
//tb.TopLevel = false;
//this.tableLayoutPanel1.Controls.Add(tb);
//tb.Show();
}