// Rajdhani stoppped publishing epaper from 2016/09/16
// so we are removing this item from comboxboxItem in the UI
public void RajdhaniInfo()
{
// http://rajdhani.com.np/epaper/898 example link that holds the link to pdf file in <iFrame> tag
// map the user input date to the date id like 898 in the above link
DateTime dateLinkedWith898id = new DateTime(2016, 09, 16);
TimeSpan span = IssueDate.Subtract(dateLinkedWith898id);
int dateDiff = span.Days; // dateDiff +ve if IssueDate is greater than 2016/09/16 is -ve is IssueDate is less than 2016/09/16
int dateId = (int)Math.Abs((decimal)898 + dateDiff);
string linkToPdf = "http://rajdhani.com.np/epaper/" + dateId.ToString();
// use Html agility package to extract link pdf link from <iFrame> tag
HtmlWeb web = new HtmlWeb();
HtmlDocument doc = web.Load(linkToPdf);
DownloadLinkAndFileName = new List <Dictionary <string, string> >();
// select all iFrame tag using Xpath
var iFrameTag = doc.DocumentNode.SelectNodes("//iframe");
if (iFrameTag != null)
{
foreach (var tag in iFrameTag)
{
string srcAttr = tag.Attributes["src"].Value;
if (srcAttr.Substring(0).Contains(".pdf"))
{
DownloadLinkAndFileName.Add(new Dictionary <string, string> {
{ "dlLink", srcAttr },
{ "filePathName", DownloadPath + "\\" + PaperName + "-" + _year + "-" + _month + "-" + _day + ".pdf" }
});
}
}
}
}