Hi,

I am have small doubt in working with youtube APIs. 

this is the code i used for displaying the videos

        string url = "http://gdata.youtube.com/feeds/videos?q=" + this.txtSearch.Text;
        AtomFeed myFeed = GetFeed(url, 1, 15);
        DisplayFeed(myFeed);

private string RenderVideoEmbedded(string id)
    {
        return string.Format("<div id=\"video{0}\"><object width=\"425\" height=\"355\"><param name=\"movie\" value=\"http://www.youtube.com/v/{0}&rel=1\"></param><param name=\"wmode\" value=\"transparent\"></param><embed src=\"http://www.youtube.com/v/{0}&rel=1\" type=\"application/x-shockwave-flash\" wmode=\"transparent\" width=\"425\" height=\"355\"></embed></object></div>", id);
    }

    /// <summary>
    /// Converts URL ID to short one
    /// </summary>
    /// <param name="googleID"></param>
    /// <returns></returns>
    private string getIDSimple(string googleID) {
        int lastSlash=googleID.LastIndexOf("/");
        return googleID.Substring(lastSlash + 1);               
    }


    /// <summary>
    /// Renders feed in example aspx page
    /// </summary>
    /// <param name="myFeed"></param>
    private void DisplayFeed(AtomFeed myFeed)
    {
        System.Text.StringBuilder sb = new System.Text.StringBuilder();
        foreach (AtomEntry entry in myFeed.Entries)
        {
            #region render each
            sb.Append("<br /><b>Title:</b> ");
            sb.Append(entry.Title.Text);
            sb.Append("<br /><b>Categories:</b> ");           
            foreach (AtomCategory cat in entry.Categories)
            {
                sb.Append(cat.Term);
                sb.Append(",");
            }
            sb.Append(RenderVideoEmbedded(getIDSimple(entry.Id.AbsoluteUri)));
            sb.Append("<br /><b>Published on:</b> ");
            sb.Append(entry.Published);
            #endregion
        }
        this.lblResults.Text = sb.ToString();
    }

Now I want to get the contact list of the youtube users

http://code.google.com/apis/youtube/developers_guide_dotnet.html#AuthClientLogin

I tried with code, I am geeting some errors. Can any one please tell How to get the contacts of the youtube users.