private void prcsBajasActivos_Load(object sender, EventArgs e)
 {
     userPrincipal clss = new userPrincipal();
     pnlCargar.Controls.Add(clss);
 }
 private void prcsTransferencia_Load(object sender, EventArgs e)
 {
     userPrincipal frm = new userPrincipal();
     pnlCargar.Controls.Add(frm);
 }
 private void prcsDepreciacion_Load(object sender, EventArgs e)
 {
     userPrincipal frm = new userPrincipal();
     pnlCargar.Controls.Add(frm);
 }