protected virtual void OnDeleteClicked(object sender, System.EventArgs e)
 {
     Gtk.Button btnDelete = (Gtk.Button) sender;
     string id = btnDelete.Name.Replace("btnEliminar_", "");
     AccionesDeRegistros accion = new AccionesDeRegistros();
     if(accion.eliminarRegistroPorId(id)){
         MessageDialog md = new MessageDialog (null,
             DialogFlags.Modal,
             MessageType.Info,
             ButtonsType.None, "Accion realizada con exito.");
         md.Show();
         this.tabla();
     }else{
         MessageDialog md = new MessageDialog (null,
             DialogFlags.Modal,
             MessageType.Error,
             ButtonsType.None, "Ocurrio un error al tratar de eliminar. ");
         md.Show();
     }
 }