C#读sqlite数据库

 using System.Data.SQLite;//若没有库需要在Nugut下载

private void ReadDatabase()
        {
            //判断有无数据库
            if (!File.Exists(dbPath))
            {
                SQLiteConnection.CreateFile(dbPath);
                MessageBox.Show("数据库重新创建成功");
            }

            //判断有无表
            if (sqliteConn.State == ConnectionState.Closed) sqliteConn.Open();
            SQLiteCommand mDbCmd = sqliteConn.CreateCommand();
            mDbCmd.CommandText = "SELECT COUNT(*) FROM sqlite_master where type='table' and name='" + TableDbFile + "';";