public async Task <bool> LoadData() { this.Loading = true; ObservableCollection <WaterItem> initItems = new ObservableCollection <WaterItem>(await WaterTable.GetAllAsync()); //Items = await WaterTable.IncludeTotalCount().ToCollectionAsync(1300); //.ToCollectionAsync(900); this.Items = new ObservableCollection <WaterItem>(); this.CurrentRegionItem = null; foreach (var item in initItems) { if (item.Ind_name.Split(' ')[0].ToString() != "Неизвестно") { this.Items.Add(item); } ; } ; RaisePropertyChanged("Items"); /*try * { * var geolocator = new Geolocator(); * Geoposition position = await geolocator.GetGeopositionAsync(); * var str = position.ToString(); * Latitued = position.Coordinate.Latitude; * Longitude = position.Coordinate.Longitude; * GetPlaceInfo(Latitued, Longitude); * } * catch { * GetPlaceInfo(Latitued, Longitude); * };*/ this.RegionItems = new ObservableCollection <RegionWaterItem>(); var ItemsInGroup = from b in this.Items group b by b.Regname into g select g; foreach (var reg in ItemsInGroup) { try { var i = reg; var regItem = new RegionWaterItem(); regItem.Title = reg.Key.ToString(); try { regItem.Code = reg.ToList <WaterItem>().FirstOrDefault().Code.ToString(); } catch { }; regItem.Items = new ObservableCollection <WaterItem>(reg.ToList <WaterItem>()); this.RegionItems.Add(regItem); /*if (regItem.Title.Trim()==this.CurrentDistrict.Trim()) { * this.CurrentRegionItem = regItem; * };*/ } catch {}; } ; UpdateCoordinatesWatcher(); if (this.GeoCurrentRegionItem == null) { this.GeoCurrentRegionItem = this.RegionItems.FirstOrDefault(); } ; App.button.Open(); this.Loading = false; return(true); }
public async Task <bool> LoadData() { this.Loading = true; ObservableCollection <WaterItem> initItems = new ObservableCollection <WaterItem>(await WaterTable.GetAllAsync()); //Items = await WaterTable.IncludeTotalCount().ToCollectionAsync(1300); //.ToCollectionAsync(900); this.Items = new ObservableCollection <WaterItem>(); this.CurrentRegionItem = null; foreach (var item in initItems) { if (item.Ind_name.Split(' ')[0].ToString() != "Неизвестно") { this.Items.Add(item); } ; } ; RaisePropertyChanged("Items"); //await GetCurrentPosition(); this.RegionItems = new ObservableCollection <RegionWaterItem>(); var ItemsInGroup = from b in this.Items group b by b.Regname into g select g; foreach (var reg in ItemsInGroup) { try { var i = reg; var regItem = new RegionWaterItem(); regItem.Title = reg.Key.ToString(); try { regItem.Code = reg.ToList <WaterItem>().FirstOrDefault().Code.ToString(); } catch { }; regItem.Items = new ObservableCollection <WaterItem>(reg.ToList <WaterItem>()); this.RegionItems.Add(regItem); /*if (regItem.Title.Trim()==this.CurrentDistrict.Trim()) { * this.CurrentRegionItem = regItem; * };*/ } catch {}; } ; await GetCurrentPosition(); if (this.CurrentRegionItem == null) { this.CurrentRegionItem = this.RegionItems.FirstOrDefault(); } ; this.Loading = false; return(true); }