private void lbl_Incom_Click(object sender, EventArgs e)
        {
            pnl_rpots.Controls.Clear();
            Rpot_Income rincm = new Rpot_Income();

            rincm.TopLevel = false;
            rincm.Visible  = true;
            pnl_rpots.Controls.Add(rincm);
        }
        private void btn_reset_Click(object sender, EventArgs e)
        {
            Report_main.pn_Rpot.Controls.Clear();
            Rpot_Income rinvo = new Rpot_Income();

            rinvo.TopLevel = false;
            rinvo.Visible  = true;
            Report_main.pn_Rpot.Controls.Add(rinvo);
        }
        private void incomeReportToolStripMenuItem_Click(object sender, EventArgs e)
        {
            panelMain.Controls.Clear();
            Report_main View_rpt = new Report_main();

            View_rpt.TopLevel = false;
            View_rpt.Visible  = true;
            panelMain.Controls.Add(View_rpt);

            Report_main.pn_Rpot.Controls.Clear();
            Rpot_Income rincm = new Rpot_Income();

            rincm.TopLevel = false;
            rincm.Visible  = true;
            Report_main.pn_Rpot.Controls.Add(rincm);
        }