Problem in window service

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SQL-Server-2005

VS2008

C#

, +

In my window service when I run window service from manage ,ScheduledService.txt file does not contain "Get Connection". I think there is problem in GetConnectionOfReportServer, it may it take more time.
When I debug it is working fine.
I debug the code problem is in "this.reportViewer1.ProcessingMode = Microsoft.Reporting.WinForms.ProcessingMode.Remote" in GetConnectionOfReportServer(),after this line control does not go ahead.

My code is

  protected override void OnStart(string[] args)
        {
            TraceService("start service");
            timer = new System.Timers.Timer(1000);
            timer.Elapsed += new ElapsedEventHandler(OnElapsedTime);
            timer.Interval = 90000;
            timer.Enabled = true;
  
        }
 protected override void OnStop()
        {
            TraceService("stopping service");
        }

 private void OnElapsedTime(object source, ElapsedEventArgs e)
        {
           
           time_elapsed();
            TraceService("Another entry at " + DateTime.Now);
        
        }
  private void time_elapsed()
        {           
            TraceService("Call susseccfully");
            GetConnectionOfReportServer();
            TraceService("Get Connection");
            DailyReportFile = getReportFrmServer(reportName, param);
        }
    public void GetConnectionOfReportServer()
        {
 TraceService("I am in GetConnectionOfReportServer.");
            try
            {
 TraceService("I am in Try.");
                NetworkCredential credential = new NetworkCredential("administrator", "epass@123");
                this.reportViewer1.ServerReport.ReportServerCredentials.NetworkCredentials = credential;
TraceService("I am in Try end");
                this.reportViewer1.ProcessingMode = Microsoft.Reporting.WinForms.ProcessingMode.Remote;  // this line is not working
    TraceService("I am in Try ProcessingMode.Remote");
                this.reportViewer1.ServerReport.ReportServerUrl = new Uri(@"http://xxx.xxx.xxx.xxx/ReportServer");
TraceService("I am in Try end");

            }
            catch (Exception ex)
            {

            }
        }
 private void TraceService(string content)
        {
            FileStream fs = new FileStream(@"c:\ScheduledService.txt", FileMode.OpenOrCreate, FileAccess.Write);

            StreamWriter sw = new StreamWriter(fs);
            sw.BaseStream.Seek(0, SeekOrigin.End);
            sw.WriteLine(content);
            sw.Flush();
            sw.Close();
        }

In ScheduledService.txt file
start service
Call susseccfully
I am in GetConnectionOfReportServer.
I am in Try.
I am in Try end
Call susseccfully
I am in GetConnectionOfReportServer.
I am in Try.
I am in Try end