How can I get a number of records?

I have a dataprovider that points to the results of a query on a SQL database.  That is directed to a grid of data.  How can I get the number of records in the dataprovider or data grid?

You can try like this,

new XMLList (dataProvider) .length)

Tags: Flex

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    Hello

    Welcome to the forum!

    Using the technique of Difference sets , you can do it with 1 single subquery:

    WITH     got_grp_id     AS
    (
         SELECT     car_name, transaction_date
         ,     ROW_NUMBER () OVER ( ORDER BY      transaction_date)
               -     ROW_NUMBER () OVER ( PARTITION BY  car_name
                                   ORDER BY          transaction_date
                           )         AS grp_id
         FROM    car_use
    )
    SELECT       car_name
    ,       COUNT (*)               AS times_used
    ,       MIN (transaction_date)       AS first_use
    ,       MAX (transaction_date)       AS last_use
    FROM       got_grp_id
    GROUP BY  car_name
    ,            grp_id
    ORDER BY  first_use
    ;
    

    For an explanation and more examples of fixed difference technique, see
    {message: id = 9953384}
    {message: id = 9957164}

    Thanks for posting the CREATE TABLE and INSERT statements; It's very helpfuul!

    Published by: Frank Kulash, 18 may 2012 16:41

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