private void Tile_Delete_Receta_Click(object sender, RoutedEventArgs e)
        {
            EliminarReceta dr = new EliminarReceta();

            dr.Owner = this;
            dr.lb_nombreusuario.Content = lb_nombreusuario.Content;
            dr.ShowDialog();
        }
        private void btneliminar_Click(object sender, RoutedEventArgs e)
        {
            EliminarReceta elire = new EliminarReceta();

            elire.ShowDialog();
        }