// For complete examples and data files, please go to https://github.com/groupdocsviewer/GroupDocs_Viewer_NET
//Get Configurations
ViewerConfig config = Utilities.GetConfigurations();
// Create html handler
ViewerHtmlHandler htmlHandler = new ViewerHtmlHandler(config);
//Instantiate the HtmlOptions object
HtmlOptions options = new HtmlOptions();
if (!String.IsNullOrEmpty(DocumentPassword))
options.Password = DocumentPassword;
//Get document pages in html form
List<PageHtml> pages = htmlHandler.GetPages(DocumentURL,options);
foreach (PageHtml page in pages)
{
//Save each page at disk
Utilities.SaveAsHtml(page.PageNumber + "_" + Path.GetFileName(DocumentURL.LocalPath), page.HtmlContent);
}