public static String ConvertBitmapSourceToDataString(BitmapSource bitmapSourceInstance) { return "data:image/jpeg;base64," + bitmapSourceInstance.ConvertTo_JpgByteArray(100) .ConvertTo_Base64(Base64FormattingOptions.None); // Convert.ToBase64String(ConvertBitmapSourceToJPegStream(bitmapSourceInstance).ToArray()); }