private void btnEditar_Click(object sender, RoutedEventArgs e)
 {
     if (rbCajas.IsChecked == true)
     {
         modCaja frm = new modCaja();
         frm.borde     = borde;
         frm.anterior  = this.anterior;
         frm.modificar = true;
         frm.id        = Convert.ToInt16(gvResultados.SelectedValue.ToString());
         borde.Child   = frm;
     }
     if (rbSalas.IsChecked == true)
     {
         modSala frm = new modSala();
         frm.borde       = borde;
         frm.anterior    = this.anterior;
         frm.modificar   = true;
         borde.Child     = frm;
         frm.DataContext = gvResultados.SelectedItem;
     }
     if (rbVitrinas.IsChecked == true)
     {
         modVitrina frm = new modVitrina();
         frm.borde     = borde;
         frm.anterior  = this.anterior;
         frm.modificar = true;
         frm.id        = Convert.ToInt16(gvResultados.SelectedValue.ToString());
         borde.Child   = frm;
     }
 }
        private void btnNuevaVitrina_Click(object sender, RoutedEventArgs e)
        {
            modVitrina frm = new modVitrina();

            frm.borde    = borde;
            frm.anterior = this;
            borde.Child  = frm;
        }
 private void btnEditarVitrina_Click(object sender, RoutedEventArgs e)
 {
     if (gvVitrinas.SelectedItem != null)
     {
         modVitrina frm = new modVitrina();
         frm.borde     = borde;
         frm.anterior  = this;
         frm.modificar = true;
         frm.id        = Convert.ToInt16(gvVitrinas.SelectedValue.ToString());
         borde.Child   = frm;
     }
     else
     {
         MessageBox.Show("Debe seleccionar una vitrina para editar", "Advertencia");
     }
 }