/// <summary>
    /// 在“管理NUGET程序包”安装LINQ程序包
    /// 然后使用DataContext就可以连接sqlite了
    /// 引用要添加  system.Data.Linq;system.Data.SQLite;system.Data.SQLite.Linq
    public class SqliteDataContext : DataContext
    {
        public SqliteDataContext(string connection, MappingSource mappingSource) :
            base(connection, mappingSource)
        {
        }
        public SqliteDataContext(IDbConnection connection, MappingSource mappingSource) :
            base(connection, mappingSource)
        {
        }
        public SqliteDataContext(string connectionString) :
            base(new SQLiteConnection(connectionString))
        {
        }
        public SqliteDataContext(IDbConnection connection) :
            base(connection)
        {
        }

        public Table<Article> Article
        {
            get
            {
                return this.GetTable<Article>();
            }
        }
    }

            SqliteDataContext db = new SqliteDataContext(@"data source=D:\Documents\Visual Studio 2012\Projects\Yss20140406\Yss20140406\bin\Debug\YssDB");
            var temp =
                from t in db.Article
                select t;
            dataGridView1.DataSource = temp;

    [Table(Name = "main.Article")]
    public partial class Article
    {

        private string _context;

        private string _title;

        #region Extensibility Method Declarations
        partial void OnCreated();

        partial void OnContextChanged();

        partial void OnContextChanging(string value);

        partial void OnTitleChanged();

        partial void OnTitleChanging(string value);
        #endregion


        public Article()
        {
            this.OnCreated();
        }

        [Column(Storage = "_context", Name = "Context", DbType = "text", AutoSync = AutoSync.Never, CanBeNull = false)]
        public string Context
        {
            get
            {
                return this._context;
            }
            set
            {
                if (((_context == value)
                            == false))
                {
                    this.OnContextChanging(value);
                    this._context = value;
                    this.OnContextChanged();
                }
            }
        }

        [Column(Storage = "_title", Name = "Title", DbType = "text", AutoSync = AutoSync.Never, CanBeNull = false)]
        public string Title
        {
            get
            {
                return this._title;
            }
            set
            {
                if (((_title == value)
                            == false))
                {
                    this.OnTitleChanging(value);
                    this._title = value;
                    this.OnTitleChanged();
                }
            }
        }
    }