Stream To String , String To Stream

        public static string StreamToString(Stream stream)
        {
            stream.Position = 0;
            using (StreamReader stremReader = new StreamReader(stream, Encoding.UTF8))
            {
                return stremReader.ReadToEnd();
            }
        }

        public static Stream StringToStream(string str)
        {
            byte[] strBytes = Encoding.UTF8.GetBytes(str);
            return new MemoryStream(strBytes);
        }