private void btnBrand_Click(object sender, System.EventArgs e)
{
frmBrandList frm = new frmBrandList();
frm.TopLevel = false;
panel4.Controls.Add(frm);
frm.BringToFront();
frm.Show();
}
public frmBrand(frmBrandList flist)
{
InitializeComponent();
cn = new SQLiteConnection(dbcon.MyConnection());
frmlist = flist;
}