public Image ByteArrayToImage(byte[] iamgebytes)
        {
            MemoryStream ms = new MemoryStream(iamgebytes);
            Image image = Image.FromStream(ms);
            return image;
        }

        public byte[] ImageToByteArray(Image image)
        {
            MemoryStream ms = new MemoryStream();
            image.Save(ms, image.RawFormat);
            return ms.ToArray();
        }

        public string ByteArrayToString(byte[] bytes)
        {
            return Convert.ToBase64String(bytes);
        }

        public byte[] StringToByteArray(string image)
        {
            return Convert.FromBase64String(image);
        }