How To Get All Subsites From A Site Collection In SharePoint Online Using CSOM

In this blog, you will see how to get all the subsites from a site collection in SharePoint Online, using CSOM. Please refer to my previous article Connect To SharePoint 2013 Online Using CSOM With Console Application.

 

Code Snippet

using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Security;
using System.Text;
using System.Threading.Tasks;
using Microsoft.SharePoint.Client;

namespace GetAllSubsites
{
    class Program
    {
        static void Main(string[] args)
        {
            string userName = "[email protected]";
            string siteURL = "https://c986.sharepoint.com/sites/Vijai";
            Console.WriteLine("Enter your password.");
            SecureString password = GetPassword();
            GetAllSubWebs(siteURL, userName, password);
            Console.ReadLine();

        }

        private static SecureString GetPassword()
        {
            ConsoleKeyInfo info;
            //Get the user's password as a SecureString
            SecureString securePassword = new SecureString();
            do
            {
                info = Console.ReadKey(true);
                if (info.Key != ConsoleKey.Enter)
                {
                    securePassword.AppendChar(info.KeyChar);
                }
            }
            while (info.Key != ConsoleKey.Enter);
            return securePassword;
        }

        private static void GetAllSubWebs(string path, string userName, SecureString password)
        {
            // ClienContext - Get the context for the SharePoint Online Site
            using (var clientContext = new ClientContext(path))
            {
                // SharePoint Online Credentials
                clientContext.Credentials = new SharePointOnlineCredentials(userName, password);

                // Get the SharePoint web
                Web web = clientContext.Web;
                clientContext.Load(web, website => website.Webs, website => website.Title);

                // Execute the query to the server
                clientContext.ExecuteQuery();

                // Loop through all the webs
                foreach (Web subWeb in web.Webs)
                {
                    // Check whether it is an app URL or not - If not then get into this block
                    if (subWeb.Url.Contains(path))
                    {
                        string newpath = subWeb.Url;
                        GetAllSubWebs(newpath, userName, password);
                        Console.WriteLine(subWeb.Title + "-------" + subWeb.Url);
                    }
                }
            }
        }
    }
}