public void BeginJobHandler(JobEventArg obj)
        {
            var datacontext = DataContext as JobListViewModel;
            var result = from j in datacontext.Jobs where j.Id == obj.JobId select j;
            if (result.Count() == 0)
            {
                var jobViewModel = new JobViewModel(obj.JobId, obj.JobName);

                LoadAvarageDurationFromStore(obj, jobViewModel);

                datacontext.Jobs.Add(jobViewModel);
                jobViewModel.Start();
            }
        }