[Solved] Youtube API: Few Videos are repeating again

Few Videos are repeating again

protected void MyOwnVideos() 
{ 
    StringBuilder htmlTable = new StringBuilder(); 
    string nextPageToken = string.Empty; 
    Int32 Sr = 1;
     var data0 = GetVideosList(nextPageToken); 
    var orderByPublishAt = data0.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 = data0.nextPageToken; 
    while (!string.IsNullOrEmpty(nextPageToken)) 
    { 
        data0 = GetVideosList(nextPageToken); 
        nextPageToken = data0.nextPageToken; 
        foreach (var data in orderByPublishAt) 
        { 
            var clientTag = new RestClient("htps://www.googleapis.com/youtube/v3/");
 
            var tagRequest = new RestRequest("videos", Method.GET);
 
            tagRequest.AddParameter("key", "AG8"); 
            tagRequest.AddParameter("part", "snippet,statistics");
 
            tagRequest.AddParameter("id", data.id.videoId);
 
            var tagResponse = clientTag.Execute<VideoListResponse>(tagRequest);
  
             foreach (var item in tagResponse.Data.items) 
             { 
                htmlTable.Append("<td >" + Sr + "</td>");
 
                htmlTable.Append("<td><a href='https://www.youtube.com/watch?v=" + data.id.videoId + "'>" + data.snippet.title + "</a></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 = Sr + 1;
 
                InsertVideoDetails(data.id.videoId, item.snippet.title, item.snippet.description, item.statistics.likeCount, item.statistics.viewCount,  item.statistics.commentCount, data.snippet.publishedAt);
 
            } 
        } 
    }
 
    htmlTable.Append("</tbody>"); 
    htmlTable.Append("</table>"); 
    PlaceHolderTable.Controls.Add(new Literal { Text = htmlTable.ToString() });
}
 
private static YoutubeSearchListResponse GetVideosList(string nextPageToken)
{ 
    var client = new RestClient("htps://www.googleapis.com/youtube/v3");
    var request = new RestRequest("search", Method.GET); 
    request.AddParameter("part", "snippet"); 
    request.AddParameter("type", "video");
     request.AddParameter("channelId", "NaVw"); 
    request.AddParameter("key", "AG8"); 
    if (!string.IsNullOrEmpty(nextPageToken)) 
    { 
        request.AddParameter("pageToken", nextPageToken); 
    }
 
    var response = client.Execute<YoutubeSearchListResponse>(request);
 
    return response.Data;
}