调试易

返回到数据库吗？public DataSet CreateCmdsAndUpdate(DataSet dataSet, string connectionString,
    string queryString) 
{
    using (OleDbConnection connection = new OleDbConnection(connectionString))
    {
        OleDbDataAdapter adapter = new OleDbDataAdapter();
        adapter.SelectCommand = new OleDbCommand(queryString, connection);
        OleDbCommandBuilder builder = new OleDbCommandBuilder(adapter);        connection.Open();        DataSet customers = new DataSet();
        adapter.Fill(customers);        //code to modify data in dataset here        adapter.Update(customers);        return customers;
    }
}