Reading Titles of all the Sub Sites of a SharePoint site collection

File | New | Project | Visual C# | .Net Frame Work 3.5 | Console Application

Give a Name there: | Choose Location | Click on Ok.

1. Add reference : Microsoft.SharePoint.dll
from the location:
c:\Program Files\Common Files\Microsoft Shared\Web Server Extensions\14\ISAPI\Microsoft.SharePoint.dll

2. Right Click on Console Application Project |
From Application | Target Framework | .Net Framework 3.5
Build | Target Plat from | Either X64 or Any Cpu | Save the changes

Add u r reference :
using Microsoft.SharePoint.dll;

using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using Microsoft.SharePoint;

namespace ConsoleApplication

{

    class Program

    {

        static void Main(string[] args)

        {

            using( SPSite  spSite = new SPSite("http://sp2010:8081") )

            {

                using (SPWeb spWeb = spSite.RootWeb)

                {

                    foreach (SPWeb subWeb in spWeb.Webs)

                    {

                        Console.WriteLine(subWeb.Title);

                        Console.ReadLine();

                    }

                }

            }

        }

    }

}