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download audio from youtube c#

By : Dushmanta Kumar Sahu
Date : May 03 2020, 08:07 AM

I try to download audio from youtube site by using Youtube Extractor but if click the button i have information "sequence has no elements".

How i can solve this issue ?

private void button2_Click(object sender, EventArgs e)
        IEnumerable videos = DownloadUrlResolver.GetDownloadUrls(textBox1.Text);

        VideoInfo video = videos.Where(info => info.CanExtractAudio).OrderByDescending(info => info.AudioBitrate).First();

        if (video.RequiresDecryption)
        AudioDownloader download = new AudioDownloader(video, Path.Combine(Application.StartupPath + "\\", video.Title + video.AudioExtension));

    catch (Exception ex)
Answer :

The problem in the call to First().

This will throw an exception if your IEnumerable contains no items.

To correct this issue , you need to be sure of two things:

  1. The DownloadUrlResolver.GetDownloadUrls() function returns at least 1 item.
  2. That at least one item in the videos variable has CanExtractAudio set to true.

I hope this Help you :

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