get all comments from web page in c#(twitter)

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C#

Hai,

I have developed a web page to get all comments from twitter. Using below code i have achieved successfully. Here problem is, This code fetch few comments only. but when we search in twitter means it shows more than a lakhs comments. in twitter automatically updates the comments when we scroll the page. but in c# we can not achieve it. i need to fetch 10000 comments at least.

Can you help me anyone???

protected void Button1_Click(object sender, EventArgs e)
        {
            if (!string.IsNullOrEmpty(TextWeburl.Text))
            {
                try
                {
                    string url = string.Empty;
                    url = "https://twitter.com/search?q=" + TextWeburl.Text + "&src=typd";

                    var getHtmlDoc = new HtmlWeb();
                    var document = getHtmlDoc.Load(url);
                    var tags = document.DocumentNode.SelectNodes("//p");
                    if (tags != null)
                    {
                        foreach (var sitetag in tags)
                        {
                            //txtFull.Text += sitetag.InnerText + "\n";
                            if (sitetag.Attributes.Count != 0)
                            {
                                if (sitetag.Attributes["Class"].Value == "js-tweet-text tweet-text")
                                    txtFull.Text += sitetag.InnerText + "\n" + "\n";
                            }
                        }
                    }

                }
                catch (FileNotFoundException ex)
                {
                    throw ex;
                }
                catch (SyntaxErrorException ex)
                {
                    throw ex;
                }
            }
        }