private void lblCustomerList_Click(object sender, EventArgs e)
        {
            frmCustomerList cl = new frmCustomerList();

            cl.lblUserName.Text = lblUserName.Text;
            cl.lblUserType.Text = lblUserType.Text;
            cl.ShowDialog();
        }
        private void SearchCustomerToolStripMenuItem_Click(object sender, EventArgs e)
        {
            frmCustomerList clist = new frmCustomerList();

            this.Hide();
            clist.lblUserName.Text = lblUserName.Text;
            clist.lblUserType.Text = lblUserType.Text;
            clist.ShowDialog();
        }