how to set xmlnode type as date .

       public bool InsertRecord(string date, string jobname, int hour,int tinspected, 
            int failed,double funnelpassed,double funnelfailed,
            double steampassed,double steamfailed,
            double bulbpassed,double bulbfailed,
            double constructiompasses,double constructionfailed,
            double bodypassed,double bodyfailed
            )
        {
            String filename = Application.StartupPath + REPORTFILE;
            // load  the document from a file 
            Stream xmlreadstream = new FileStream(filename, FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
            XmlTextReader reader = new XmlTextReader(xmlreadstream);

            try
            {
                m_XmlDocument.Load(reader);
                reader.Close();
                xmlreadstream.Close();

                XmlElement xDefect = m_XmlDocument.CreateElement("DEFECT");

                XmlElement xDate = m_XmlDocument.CreateElement("DATE");
                
                xDate.InnerText = date;
                XmlElement xHour = m_XmlDocument.CreateElement("HOUR");
                xHour.InnerText = Convert.ToString(hour);
                XmlElement xJobeName = m_XmlDocument.CreateElement("JOBNAME");
                xJobeName.InnerText = jobname;
                XmlElement xTInspected = m_XmlDocument.CreateElement("TOTALINSPECTED");
                xTInspected.InnerText = Convert.ToString(tinspected);
                XmlElement xFailed = m_XmlDocument.CreateElement("FAILED");
                xFailed.InnerText = Convert.ToString(failed);
                XmlElement xFunnelPassed = m_XmlDocument.CreateElement("FUNNELPASSED");
                xFunnelPassed.InnerText = Convert.ToString(funnelpassed);
                XmlElement xFunnelFailed = m_XmlDocument.CreateElement("FUANNELFAILED");
                xFunnelFailed.InnerText = Convert.ToString(funnelfailed);
                
                XmlElement xSteamPassed = m_XmlDocument.CreateElement("STEAMPASSED");
                xSteamPassed.InnerText = Convert.ToString(steampassed);
                XmlElement xSteamFailed = m_XmlDocument.CreateElement("STEAMFAILED");
                xSteamFailed.InnerText = Convert.ToString(steamfailed);

                XmlElement xBulbPassed = m_XmlDocument.CreateElement("BULBPASSED");
                xBulbPassed.InnerText = Convert.ToString(bulbpassed);
                XmlElement xBulbFailed = m_XmlDocument.CreateElement("BULBFAILED");
                xBulbFailed.InnerText = Convert.ToString(bulbfailed);

                XmlElement xConstructionPassed = m_XmlDocument.CreateElement("CONSTRUCTIONPASSED");
                xConstructionPassed.InnerText = Convert.ToString(constructiompasses);
                XmlElement xConstructionFailed = m_XmlDocument.CreateElement("CONSTRUCTIONFAILED");
                xConstructionFailed.InnerText = Convert.ToString(constructionfailed);


                XmlElement xBodyPassed = m_XmlDocument.CreateElement("BODYPASSED");
                xBodyPassed.InnerText = Convert.ToString(bodypassed);
                XmlElement xBodyFailed = m_XmlDocument.CreateElement("BODYFAILED");
                xBodyFailed.InnerText = Convert.ToString(bodyfailed);


                xDefect.AppendChild(xDate);
                xDefect.AppendChild(xHour);
                xDefect.AppendChild(xJobeName);
                xDefect.AppendChild(xTInspected);
                xDefect.AppendChild(xFailed);
                xDefect.AppendChild(xFunnelPassed);
                xDefect.AppendChild(xFunnelFailed);
                xDefect.AppendChild(xSteamPassed);
                xDefect.AppendChild(xSteamFailed);
                xDefect.AppendChild(xBulbPassed);
                xDefect.AppendChild(xBulbFailed);
                xDefect.AppendChild(xConstructionPassed);
                xDefect.AppendChild(xConstructionFailed);
                xDefect.AppendChild(xBodyPassed);
                xDefect.AppendChild(xBodyFailed);

                m_XmlDocument.DocumentElement.AppendChild(xDefect);
                

                // Save the document to a file.
                // Save the document to a file and auto-indent the output.
                Stream xmlwritestream = new FileStream(filename, FileMode.OpenOrCreate, FileAccess.Write, FileShare.None);
                XmlTextWriter writer = new XmlTextWriter(xmlwritestream, null);
                m_XmlDocument.Save(writer);
                writer.Close();
                xmlwritestream.Close();

            } // end try 
            catch
            {
                return false;
            }

            return true;
}