Using Server-Side ActionScript in ColdFusion MX
Using the CF.query Function

The CF.query record set

The CF.query function returns a RecordSet object, which is an instance of the RecordSet class of objects. The RecordSet class provides a wide range of functions for handling record set data.

You use methods in the RecordSet ActionScript class in your client-side ActionScript to scrub, manipulate, mine, filter, sort, or otherwise change data returned in the CF.query record set.

Currently, the following methods are available in the RecordSet class:

Method	Description
addItem	Appends a record to the end of the specified RecordSet
addItemAt	Inserts a record at the specified index
addView	Requests notification of changes in a RecordSet object's state
filter	Creates a new RecordSet object that contains selected records from the original RecordSet object
getColumnNames	Returns the names of all the columns of the RecordSet
getItemAt	Retrieves a record from a RecordSet object
getItemID	Gets the unique ID corrresponding to a record
getLength	Returns the total number of records in a RecordSet object
getNumberAvailable	Returns the number of records that have been downloaded from the server
isFullyPopulated	Determines whether a RecordSet object can be edited or manipulated
isLocal	Determines whether a RecordSet object is local or server-associated
removeAll	Removes all records from the RecordSet object
removeItemAt	Removes a specified record
replaceItemAt	Replaces the entire contents of a record
setDeliveryMode	Changes the delivery mode of a server-associated record set
setField	Replaces one field of a record with a new value
sort	Sorts all records by a specified compare function
sortItemsBy	Sorts all the records by a selected field

These functions are available for every RecordSet object returned by the CF.query function to the Flash MX client. You invoke these functions as follows:

objectName.functionName();

For example, in the result function that you create to handle record set data returned by the CF.query function, you can reference the database column names returned in the record set using the getColumnNames RecordSet function:

function selectData_result ( result )

{
  //result holds the query data; employeesView is a Flash list box
  stringOutput.text = result.getColumnNames();
  _root.employeesView.setDataProvider(result);
}

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