How to convert Asp.Net page to image and save into a folder?

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C#

ASP.NET

I want to convert a asp.net web page to image along with the user feed details and save to a folder.I have used below code but I am not getting user entered data in the image and it is showing in the browser only,I want to save it in a folder.Plz check and suggest me.

protected void btnPDFgnrate_Click(object sender, EventArgs e)
    {
        string url = HttpContext.Current.Request.Url.AbsoluteUri;

        Bitmap bitmap = new Bitmap(CaptureWebPage(url));

        Response.ContentType = "image/jpeg";
        bitmap.Save(Response.OutputStream, ImageFormat.Jpeg);

        //const int bufferLength = 10000;
        //byte[] buffer = new Byte[bufferLength];
        //int length = 0;
        //Response.OutputStream.Write(buffer, 0, length);

        bitmap.Dispose();
        bitmap.Dispose();
        Response.End();

      
    }
    
    public System.Drawing.Bitmap CaptureWebPage(string URL)
    {
       
           // create a hidden web browser, which will navigate to the page
        System.Windows.Forms.WebBrowser web = new System.Windows.Forms.WebBrowser();
        // we don't want scrollbars on our image
        web.ScrollBarsEnabled = false;
        // don't let any errors shine through
        web.ScriptErrorsSuppressed = true;
        // let's load up that page!
        web.Navigate(URL);

        // wait until the page is fully loaded
        while (web.ReadyState != WebBrowserReadyState.Complete)
            System.Windows.Forms.Application.DoEvents();
        System.Threading.Thread.Sleep(1500); // allow time for page scripts to update
        // the appearance of the page

        // set the size of our web browser to be the same size as the page
        int width = web.Document.Body.ScrollRectangle.Width;
        int height = web.Document.Body.ScrollRectangle.Height;
        web.Width = width;
        web.Height = height;
        // a bitmap that we will draw to
        System.Drawing.Bitmap bmp = new System.Drawing.Bitmap(width, height);
        // draw the web browser to the bitmap
        web.DrawToBitmap(bmp, new System.Drawing.Rectangle(0, 0, width, height));

        return bmp; // return the bitmap for processing
    }