private void jTable1MousePressed(java.awt.event.MouseEvent evt) {//GEN-FIRST:event_jTable1MousePressed
        // TODO add your handling code here:
        
        if(listaClientes.size()>this.jTable1.getSelectedRow()&&this.jTable1.getSelectedRow()>=0&&!(Lista_seleccionados.contains(this.jTable1.getSelectedRow())) ){
        Lista_seleccionados.add( this.jTable1.getSelectedRow());
        
        }
        
    }//GEN-LAST:event_jTable1MousePressed