Library and List Size

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using Microsoft.SharePoint;

namespace SiteSizeApp
{
    public partial class MainForm : Form
    {
        public MainForm()
        {
            InitializeComponent();
        }

    private void ExecuteButton_Click(object sender, EventArgs e)
    {
        using (SPSite site = new SPSite(UrlText.Text))
        {
            // Retrieve Document Library entries
            DataTable table = site.StorageManagementInformation(
                SPSite.StorageManagementInformationType.DocumentLibrary, 
                SPSite.StorageManagementSortOrder.Decreasing, 
                SPSite.StorageManagementSortedOn.Size, 
                1000
                );

            // Retrieve List entries
            table.Merge(site.StorageManagementInformation(
                SPSite.StorageManagementInformationType.List,
                SPSite.StorageManagementSortOrder.Decreasing,
                SPSite.StorageManagementSortedOn.Size,
                1000)
                );

            grid.DataSource = table;
        }
    }
    }
}