RecordList length() and first() caused an exception

[dbscott525]

RecordList length() and first() caused an exception

On a DynamicForm object I call the method getRecordList. If I try to use the RecordList returned from this method call I get the following exception.

Uncaught exception escaped : com.google.gwt.event.shared.UmbrellaException
Exception caught: (TypeError) @com.smartgwt.client.data.RecordList::getLength()([]): self.getLength is not a function
See the Development console log for details.
Register a GWT.setUncaughtExceptionHandler(..) for custom uncaught exception handling.

There are no messages in the Development console when this happens.

Here is the code I'm using:

DynamicForm uploadForm = Forms.UPLOAD_CONTACT_LIST.getForm();
RecordList records = uploadForm.getRecordList();
// Record record = uploadForm.getRecordList().first();

Either of the last two lines of code will cause an exception.

[Isomorphic]

The DynamicForm only allows editing / display of a single record at a time and as such the "getRecordList" API - which retrieves a list of "live" records being displayed in a dataBound component such as a ListGrid - is essentially inapplicable and returning a bad data object.

We'll look into how best to modify the framework code to avoid this confusion and resolve this issue. However you should modify your application code - getRecord() will return you the record being edited by the form, and if you need this in a RecordList format within your application for some reason, you can create your own RecordList and add the record to it.

Regards
Isomorphic Software

===
Edit: A quick follow up to note that we have now modified the framework so you should not have this problem with this method going forward. getRecordList() will now return a RecordList with a single entry containing the DynamicForm's current record.

[dbscott525]

We'll look into how best to modify the framework code to avoid this confusion and resolve this issue. However you should modify your application code - getRecord() will return you the record being edited by the form

What version is this fix in or will be in?

I couldn't seem to use the getRecord method for a DynamicForm. It's not documented in the DynamicForm JavaDoc nor will it compile for me. Is there another way to call the getRecord method from an object that a DynamicForm contains?

Thanks for your help.

[Isomorphic]

Use getValuesAsRecord(). There's no fix, this API has been there a long time.