Facebook.Extensions.ToPostString C# (CSharp) Method

        internal static string ToPostString(this IDictionary<string, string> postData)
        {
            StringBuilder sb = new StringBuilder();
            foreach (string key in postData.Keys)
            {
                if (sb.Length > 0)
                    sb.Append('&');

                sb.Append(key.UrlEncode());
                sb.Append('=');
                sb.Append(postData[key].UrlEncode());
            }
            return sb.ToString();
        }