CSOM - Check if one root site collection

Question

I have a situation in which I'd like to know whether the user is currently on their root site collection or not.

I tried the following:

var siteRelativeUrl = ctx.Web.ServerRelativeUrl;
var isRoot = siteRelativeUrl.Equals("/");

But apparently this fails some times, so I guess you can have a none root site collection consisting of https://test.sharepoint.com/.

I was wondering and hoping that CSOM had some way of checking this, or if any had some suggestions as of what to do?

Answer 1

You could compare the ID with the RootWeb:

clientContext.Load(clientContext.Site.RootWeb, rw => rw.Id);
clientContext.Load(clientContext.Web, w => w.Id);
clientContext.ExecuteQuery();

var isRoot = (clientContext.Site.RootWeb.Id == clientContext.Web.Id) ? true : false;