private void Application_Startup(object sender, StartupEventArgs e){//应用程序开启时打开数据库Storage instanse = StorageFactory.Instance.CreateStorage();//初始化数据库文件为1Minstanse.SetProperty("perst.file.extension.quantum", 1024 * 1024);//数据库大小不够时，每次增加512Kinstanse.SetProperty("perst.extension.quantum", 512 * 1024);instanse.Open("SLDemo.dbs");db = new Database(instanse);this.RootVisual = new MainPage();}private void Application_Exit(object sender, EventArgs e){//应用程序关闭时关闭数据库连接
            db.Storage.Close();}

    /// <summary>/// 城市类/// </summary>public class City : Persistent{//定义为索引
        [FullTextIndexable]public string _CityName;/// <summary>/// 城市名称/// </summary>public string CityName{get { return _CityName; }set { _CityName = value; }}[FullTextIndexable]public string _CityNum;/// <summary>/// 城市电话区号/// </summary>public string CityNum{get { return _CityNum; }set { _CityNum = value; }}public override void OnLoad(){base.OnLoad();}//删除public override void Deallocate(){base.Deallocate();}}

    public partial class MainPage : UserControl{public MainPage(){InitializeComponent();}private void GetNum_1(object sender, RoutedEventArgs e){BindCity();}/// <summary>/// 绑定所有的城市，并且按照CityNum排序/// </summary>private void BindCity(){List<City> list = App.db.Select<City>("order by CityNum").ToList();this.dgrid.ItemsSource = list;}/// <summary>/// 查找到021号码的区号对象并且删除/// </summary>/// <param name="sender"></param>/// <param name="e"></param>private void DeleteNum_2(object sender, RoutedEventArgs e){City city = App.db.Select<City>("CityNum='021'").FirstOrDefault();city.Deallocate();App.db.Storage.Commit();BindCity();}/// <summary>/// 查找到020区号的对象进行修改/// </summary>/// <param name="sender"></param>/// <param name="e"></param>private void EditNum_4(object sender, RoutedEventArgs e){City city = App.db.Select<City>("CityNum='020'").FirstOrDefault();city.CityName = "上海市";city.Store();App.db.UpdateFullTextIndex(city);BindCity();}/// <summary>/// 添加数据/// </summary>/// <param name="sender"></param>/// <param name="e"></param>private void AddNum_3(object sender, RoutedEventArgs e){App.db.AddRecord(new City() { CityName = "广州", CityNum = "021" });App.db.AddRecord(new City() { CityName = "北京", CityNum = "010" });App.db.AddRecord(new City() { CityName = "上海", CityNum = "020" });App.db.AddRecord(new City() { CityName = "成都", CityNum = "028" });App.db.Storage.Commit();}}

    <Grid x:Name="LayoutRoot" Background="White"><sdk:DataGrid Name="dgrid" HorizontalAlignment="Left" Height="181" Margin="10,80,0,0" VerticalAlignment="Top" Width="338"/><Button Content="增加数据" HorizontalAlignment="Left" Margin="42,10,0,0"VerticalAlignment="Top" Width="75" Click="AddNum_3"/><Button Content="获取值" HorizontalAlignment="Left" Margin="160,10,0,0"VerticalAlignment="Top" Width="75" Click="GetNum_1"/><Button Content="修改值" HorizontalAlignment="Left" Margin="42,48,0,0"VerticalAlignment="Top" Width="75" Click="EditNum_4"/><Button Content="删除值" HorizontalAlignment="Left" Margin="160,48,0,0"VerticalAlignment="Top" Width="75" Click="DeleteNum_2"/></Grid>