FlickrNet.Utils.UrlEncode C# (CSharp) Method

        internal static string UrlEncode(string oldString)
        {
            if( oldString == null ) return null;

            string a = System.Web.HttpUtility.UrlEncode(oldString);
            a = a.Replace("&", "%26");
            a = a.Replace("=", "%3D");
            a = a.Replace(" ", "%20");
            return a;
        }