Accessing basic information from facebook

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C#

ASP.NET

Javascript

Hi,

I am going to authenticate my application with facebook login, and I want to access basic user information from facebook. So I created application and written code as follows in the aspx page

protected void Page_Load(object sender, EventArgs e)
        {
            String fbCode = Request.QueryString["Code"];
            String getAccessToken=String.Empty;
            
            if (fbCode != null)
            {
                WebRequest accessTokenRequest;
                accessTokenRequest = WebRequest.Create("https://graph.facebook.com/oauth/access_token?client_id=236762523037115&redirect_uri=http://localhost:6223/Default.aspx&client_secret=49735693f9801202a19b4854399c8103&code=" + fbCode + "");
                StreamReader accessTokenRequestStreem = new StreamReader(accessTokenRequest.GetResponse().GetResponseStream());
                String webrequestResponse = accessTokenRequestStreem.ReadToEnd();
                getAccessToken = webrequestResponse.Substring(13, webrequestResponse.Length- 13);
                
                
            }

        }

So I got access token, So now how can I get the user information

Pls help me