Display all video from Youtube channel using nextPageToken in ASP.Net

ramco191...

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User: ramco1917
Posted: on Mar 26, 2025 03:47 AM
Forum: Data Controls
Answer: 1
Views: 130

I want to get display all list of my videos. Currently it is displaying only 50.

I have below code and it gets stuck in Loop.

protected void MyOwnVideos11()
{
    StringBuilder htmlTable = new StringBuilder();
    string nextPageToken = string.Empty;
    Int32 Sr = 1;

    var client = new RestClient("https://www.googleapis.com/youtube/v3");

    htmlTable.Append("<table class='table table-bordered table-hover datatable-highlight' id='tbldata'>");
    htmlTable.Append("<thead><tr><th>Sr.</th><th>Video Title</th><th>Description</th><th>Published</th></tr></thead>");
    htmlTable.Append("<tbody>");

    do
    {
        var request = new RestRequest("search", Method.GET);
        request.AddParameter("type", "video");
        request.AddParameter("channelId", "UC_nNoaVw"); // Replace with your channel ID
        request.AddParameter("key", "AIz8..."); // Replace with your API key
        request.AddParameter("part", "snippet");
        request.AddParameter("maxResults", "50"); // Max results per page (YouTube API limit)

        if (!string.IsNullOrEmpty(nextPageToken))
        {
            request.AddParameter("pageToken", nextPageToken);
        }

        var response = client.Execute<YoutubeSearchListResponse>(request);

        if (response.Data == null || response.Data.items == null)
        {
            break; // Exit if no data is returned
        }

        var orderByPublishAt = response.Data.items.OrderBy(x => x.snippet.publishedAt);

        foreach (var data in orderByPublishAt)
        {
            var clientTag = new RestClient("https://www.googleapis.com/youtube/v3");
            var tagRequest = new RestRequest("videos", Method.GET);
            tagRequest.AddParameter("key", "AIz8..."); // Replace with your API key
            tagRequest.AddParameter("part", "snippet,statistics");
            tagRequest.AddParameter("id", data.id.videoId);

            var tagResponse = clientTag.Execute<VideoListResponse>(tagRequest);

            if (tagResponse.Data == null || tagResponse.Data.items == null)
            {
                continue; // Skip if no data is returned
            }

            foreach (var item in tagResponse.Data.items)
            {
                htmlTable.Append("<tr>");
                htmlTable.Append("<td>" + Sr + "</td>");
                htmlTable.Append("<td>" + item.snippet.title + "</td>");
                htmlTable.Append("<td>" + item.snippet.description + "</td>");
                htmlTable.Append("<td>" + data.snippet.publishedAt.ToString("dd-MM-yyyy") + "</td>");
                htmlTable.Append("</tr>");

                Sr++;
            }
        }

        // Update nextPageToken after processing all items from the current page
        nextPageToken = response.Data.nextPageToken;

    } while (!string.IsNullOrEmpty(nextPageToken));

    htmlTable.Append("</tbody>");
    htmlTable.Append("</table>");

    PlaceHolderTable.Controls.Add(new Literal { Text = htmlTable.ToString() });
}

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Joey

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ANSWER
User: Joey
Replied: on Mar 26, 2025 11:50 AM
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Hi ramco1917,

Refer below code. It will display all the videos.

protected void MyOwnVideos11()
{
    StringBuilder htmlTable = new StringBuilder();
    string nextPageToken = string.Empty;
    Int32 Sr = 1;
    var data = GetVideosList(nextPageToken);
    var orderByPublishAt = data.items.OrderBy(x => x.snippet.publishedAt);
    htmlTable.Append("<table class='table table-bordered table-hover datatable-highlight' id='tbldata'>");
    htmlTable.Append("<thead><tr><th>Sr.</th><th>Video Id</th><th>Video Title</th><th>Description</th<th>Published</th></tr></thead>");
    htmlTable.Append("<tbody>");

    nextPageToken = data.nextPageToken;
    foreach (var item in orderByPublishAt)
    {
        htmlTable.Append("<tr>");
        htmlTable.Append("<td >" + Sr + "</td>");
        htmlTable.Append("<td><a href='https://www.youtube.com/watch?v=" + item.id.videoId + "'>" + item.snippet.title + "</a></td>");
        htmlTable.Append("<td >" + item.snippet.title + "</td>");
        htmlTable.Append("<td >" + item.snippet.description + "</td>");
        htmlTable.Append("<td >" + item.snippet.publishedAt.ToString("dd-MM-yyyy") + "</td>");
        htmlTable.Append("</tr>");
        Sr = Sr + 1;
    }

    while (!string.IsNullOrEmpty(nextPageToken))
    {
        data = GetVideosList(nextPageToken);
        orderByPublishAt = data.items.OrderBy(x => x.snippet.publishedAt);
        nextPageToken = data.nextPageToken;
        foreach (var item in orderByPublishAt)
        {
            htmlTable.Append("<tr>");
            htmlTable.Append("<td>" + Sr + "</td>");
            htmlTable.Append("<td><a href='https://www.youtube.com/watch?v=" + item.id.videoId + "'>" + item.snippet.title + "</a></td>");
            htmlTable.Append("<td>" + item.snippet.title + "</td>");
            htmlTable.Append("<td>" + item.snippet.description + "</td>");
            htmlTable.Append("<td>" + item.snippet.publishedAt.ToString("dd-MM-yyyy") + "</td>");
            htmlTable.Append("</tr>");
            Sr = Sr + 1;
        }
    }
    htmlTable.Append("</tbody>");
    htmlTable.Append("</table>");
    PlaceHolderTable.Controls.Add(new Literal { Text = htmlTable.ToString() });
}

private static YoutubeSearchListResponse GetVideosList(string nextPageToken)
{
    var client = new RestClient("https://www.googleapis.com/youtube/v3");
    var request = new RestRequest("search", Method.Get);
    request.AddParameter("part", "snippet");
    request.AddParameter("type", "video");
    request.AddParameter("channelId", "Chanel_Id");
    request.AddParameter("key", "API_Key");
    if (!string.IsNullOrEmpty(nextPageToken))
    {
        request.AddParameter("pageToken", nextPageToken);
    }
    var response = client.Execute<YoutubeSearchListResponse>(request);

    return response.Data;
}

public class YoutubeSearchListResponse
{
    public string kind { get; set; }
    public string etag { get; set; }
    public string nextPageToken { get; set; }
    public string regionCode { get; set; }
    public List<Item> items { get; set; }
}
public class Snippet
{
    public DateTime publishedAt { get; set; }
    public string channelId { get; set; }
    public string title { get; set; }
    public string description { get; set; }
    public string channelTitle { get; set; }
    public string liveBroadcastContent { get; set; }
    public DateTime publishTime { get; set; }
}
public class Id
{
    public string kind { get; set; }
    public string videoId { get; set; }
}
public class Item
{
    public string kind { get; set; }
    public string etag { get; set; }
    public Id id { get; set; }
    public Snippet snippet { get; set; }
}

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Display all video from Youtube channel using nextPageToken in ASP.Net

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