[Laszlo-user] Dataset Persistence

Mushtaq Ahmed mushtaq.a at gmail.com
Wed Apr 13 03:16:03 PDT 2005


Thanks. Can we use "PUT' and "DELETE" methods for http in Laszlo?

Henry Minsky wrote:

>You could implement something like that in several different ways, but I think
>some sort of very simple XML over  HTTP protocol is the right approach.
>
>You can call "serialize()" on a dataset to write it out as XML, and
>can thus post that
>to any URL that you wish. It is then up to you how your server back-end
>persists that data. At the very least you probably are going to need
>some sort of
>session id or user login id so that different users don't overwrite
>the same data
>record on the server.
>
>
>On 4/13/05, Mushtaq Ahmed <mushtaq.a at gmail.com> wrote:
>  
>
>>I am looking at the Laszlo docs for XML data binding. Specifically at
>>"Updating Datasets":
>>
>><http://www.laszlosystems.com/lps-2.2/docs/guide/data_app.html#d0e17431>
>>
>>Can I persist the updates to "phonebook.xml"? I think I can not because
>>once I refresh the page all the updates are gone. Why can not I open a
>>server side resource like "../phonebook.xml" in "read-write" mode, such
>>that all the updates/deletes/inserts to the dataset bound to the
>>resource persist even after I close the application. This will really
>>make the job of prototyping really simple. I do not want to use dynamic
>>http resources/RCP to do that.
>>
>>Thanks in advance.
>>
>>-Mushtaq
>>
>>_______________________________________________
>>Laszlo-user mailing list
>>Laszlo-user at openlaszlo.org
>>http://www.openlaszlo.org/mailman/listinfo/laszlo-user
>>
>>    
>>
>
>
>  
>

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