protected void btnBuscar_Click(object sender, EventArgs e)
    {
        try
        {
            int oNum = Convert.ToInt32(txtNumPedido.Text.Trim());

            Pedido oPed = LogicaPedido.BuscarPorNumero(oNum);

            if (oPed != null)
            {
                lblError.Text = oPed.ToString();
            }
            else
            {
                lblError.Text = "El pedido que busca no existe";
            }
        }
        catch (Exception ex)
        {
            lblError.Text = ex.Message;
        }
    }