protected async Task <VisionDataModel> ReadDataAsync() { var result = await StateManager.TryGetStateAsync <VisionDataModel>(Key); if (result.HasValue) { return(result.Value); } else { var tr = new VisionDataModel(); await SaveDataAsync(tr); return(tr); } }
protected Task SaveDataAsync(VisionDataModel tr) { return(this.StateManager.SetStateAsync <VisionDataModel>(Key, tr)); }