protected override void RestoreState(IApplicationStateService applicationStateService)
{
base.RestoreState(applicationStateService);
if (applicationStateService.HasValueFor(nameof(this.StartDate), ApplicationState.Temp))
this.StartDate = applicationStateService.Get<DateTimeOffset>(nameof(this.StartDate), ApplicationState.Temp);
if (applicationStateService.HasValueFor(nameof(this.EndDate), ApplicationState.Temp))
this.EndDate = applicationStateService.Get<DateTimeOffset>(nameof(this.EndDate), ApplicationState.Temp);
}