SiteMapHelper

internal static class SiteMapHelper
    {
        public static string Path = HttpContext.Current.Server.MapPath("~/sitemap.xml");
        public static void AddSiteMapEntry(SiteMapModel siteMapModel)
        {
            string postUrl = "https://www.balajibirajdar.com/" + siteMapModel.PageUrl; 
                
            XmlDocument xmlDocument = new XmlDocument();
            xmlDocument.Load(HttpContext.Current.Server.MapPath("~/sitemap.xml"));
            XmlElement urlNode = xmlDocument.CreateElement("url");

            XmlElement locNode = xmlDocument.CreateElement("loc");
            locNode.InnerText = postUrl;
            urlNode.AppendChild(locNode);

            XmlElement lastModNode = xmlDocument.CreateElement("lastmod");
            lastModNode.InnerText = DateTime.Now.ToString("yyyy-mm-ddThh:mm:ss:zzz");
            urlNode.AppendChild(lastModNode);

            XmlElement priorityNode = xmlDocument.CreateElement("priority");
            priorityNode.InnerText = "0.80";
            urlNode.AppendChild(priorityNode);

            xmlDocument.DocumentElement.AppendChild(urlNode);
            xmlDocument.Save(HttpContext.Current.Server.MapPath("~/sitemap.xml"));
        }
    }