private void button2_Click(object sender, EventArgs e)
        {
            string SQLiteName = @"D:\Personal\My Documents\123.db";
            SQLiteConnection connection = new SQLiteConnection();
            connection.ConnectionString = "Data Source=" + SQLiteName;
            connection.Open();
            SQLiteCommand command = connection.CreateCommand();
            command.Connection = connection;
            SQLiteTransaction transaction = connection.BeginTransaction();
            try
            {
                command.CommandText = "select * from hehe";
                command.ExecuteNonQuery();
                DataSet ds = new DataSet();
                SQLiteDataAdapter da = new SQLiteDataAdapter(command);
                da.Fill(ds);
                dataGridView1.DataSource = ds.Tables[0];
                transaction.Commit();
            }
            catch
            {
                transaction.Rollback();
            }
            command.Dispose();
            connection.Close();
        }