private void lblSalesOrderList_Click(object sender, EventArgs e)
        {
            frmSalesOrderList sol = new frmSalesOrderList();

            sol.lblUserName.Text = lblUserName.Text;
            sol.lblUserType.Text = lblUserType.Text;
            sol.ShowDialog();
        }
        private void updateToolStripMenuItem_Click(object sender, EventArgs e)
        {
            frmSalesOrderList sol = new frmSalesOrderList();

            sol.ShowDialog();
        }