public void UpdateSharePointListFromXML()        {            string filename = Server.MapPath("XMLFile1.xml");            XmlDocument xmldoc = new XmlDocument();            xmldoc.Load(filename);            XmlNodeList topM = xmldoc.DocumentElement.ChildNodes;            foreach (XmlElement element in topM)            {                if (element.Name == "ISA_Info")                {                    Microsoft.SharePoint.SPSecurity.RunWithElevatedPrivileges(delegate()                    {                        SPSite site = new SPSite("http://jack-7716f30e37:2012");                        using (SPWeb web = site.OpenWeb())                        {                            web.AllowUnsafeUpdates = true;                            site.AllowUnsafeUpdates = true;                            SPList list = web.Lists["MyList"];                            SPListItem Item = list.Items.Add();                            Item["field"] = element.Attributes[0].Value.ToString();                            Item["Value"] = element.Attributes[1].Value.ToString();                            Item.Update();                            list.Update();                        }                    });                }            }        }