X++

class TestCustomer
{
    /// <summary>
    /// The main method, which is the entry point for the class.
    /// </summary>
    /// <param name = "_args">The arguments.</param>
    public static void main(Args _args)
    {
        // Declare a variable for the CustTable table.
        CustTable custTable;
        // Create a query that selects all customers.
        Query query = new Query();
        // The query should select from the CustTable table.
        QueryBuildDataSource qbds = query.addDataSource(tableNum(CustTable));
        // Restrict the results to the first 100 records.
        qbds.addRange(fieldNum(CustTable, RecId)).value(SysQuery::range(1, 100));
        // Create a query runner that will execute the query.
        QueryRun queryRun = new QueryRun(query);
        // Check whether the query can be run.
        if (queryRun.prompt())
        {
            // Loop through the results.
            while (queryRun.next())
            {
                // Get the current record from the query.
                custTable = queryRun.get(tableNum(CustTable));
                // Print the account number and name of the customer.
                info(strFmt("%1, %2", custTable.AccountNum, custTable.name()));
            }
        }
    }
}