windows service in asp.net

hi
i need to make a system in .Net to access the service SDRSVC  (Windows backup)
and to see when was the last backup done or when this service was running last time
or if there is any failure

i try this code

  Dim services As ServiceController() = ServiceController.GetServices()

            Response.Write("List of running services : <BR>")
            For Each service As ServiceController In services


                If service.ServiceName = "SDRSVC" Then
                    Response.Write(String.Format(" Service Name: {0} , status {1} <BR>", service.ServiceName, service.Status.ToString()))

                End If


            Next

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but i dont know how to access the properties of when it was last running ...etc

Please help