SPWeb Collection: List Sites / Webs

I had an opportunity recently to make a web part that is like a site map to the entire site collection no matter where it was dropped on the SharePoint site. I also made an option (not shown in code) that allows the "default starting site/web" to be overridden so that you can start from any site/web node and then show recursive webs from there.

Enough talk, here's the code:

using System;
using System.Collections.Generic;
using System.Text;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using Microsoft.SharePoint;
using Microsoft.SharePoint.WebPartPages;
using Microsoft.SharePoint.Utilities;
using System.Data;

namespace JamesCurtis.SharePoint.Examples
{
    public class SPWebCollectionExample : Microsoft.SharePoint.WebPartPages.WebPart
    {
        #region Constants

        #endregion

        #region Fields

        Label lblDisplay = new Label();
        Label lblError = new Label();
        StringBuilder sb = new StringBuilder();

        #endregion

        #region Delagates

        protected override void CreateChildControls()
        {
            try
            {
                base.CreateChildControls();

                lblDisplay.Text = GetData(SPContext.Current.Site.Url);
                this.Controls.Add(lblDisplay);
            }
            catch (Exception ex)
            {
                lblError.Text = ex.Message;
                this.Controls.Add(lblError);
            }
        }

        #endregion

        #region Private Methods

        protected string GetData(string site)
        {
            using (SPSite s = new SPSite(site))
            {
                SPWebCollection swc = s.AllWebs;
                for (int i = 0; i < swc.Count - 1; i++)
                {
                    sb.Append(SPEncode.HtmlEncode(swc[i].Url));
                    sb.Append("<br/>");                    
                }
            }
            return sb.ToString();
        }

        #endregion

    }
}

Happy Programming!