getting error -- Cannot open triggerWindowsService1 service on computer '.'.--
below code i m using to start window service--- 
protected void Button1_Click(object sender, EventArgs e)
{
    try
    {
       System.ServiceProcess.ServiceController service = new System.ServiceProcess.ServiceController("triggerWindowsService1");
       service.Start();
    }
    catch (Exception ex)
    {
    }
}