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From Bobby Mitchell <bo...@niac.usra.edu>
Subject Re: XMLForm & mod-db
Date Mon, 26 Aug 2002 18:49:53 GMT
Christian Haul wrote:

>On 24.Aug.2002 -- 09:01 AM, Ivelin Ivanov wrote:
>  
>
>>I am not very familiar with the modular db actions,
>>but from what I understand, you would be able to specify the name
>>of the session attribute where the modular db actions would read/write. You
>>can point the XMLForm model to the same bean.
>>
>>    
>>
>>>I want to use XMLForm and the Modular Database actions together. I have
>>>looked for information and can't find out if this can be done or not.
>>>
>>>Can it be done?
>>>
>>>If so, how would I go about populating the java bean with information
>>>from the database?
>>>      
>>>
>
>Unfortunately, I haven't gotten up to speed with XMLForm, so I
>cannot give full advice. Anyway, the point with the mod-db actions
>is, that you can read / write data from / to arbitrary sources, as
>long as you have a class that does it and conforms to the InputModule
>/ OutputModule interfaces.
>
>So, if you know how to locate your bean instance, it would be trivial
>to write such a class. Supplied are currently only classes that write
>to session attributes or request attributes.
>
>Data can be read from a lot more sources, even complicated setups
>like reding an entry of a java.util.Map stored in a request attribute
>together with a default value are possible. You can chain those 
>InputModules that carry the "meta" part in their name for a great
>flexibility.
>
>I assume that this is going to be requested more frequently, so it
>would be nice if you could keep us updated. 
>
>	Chris.
>  
>
I would like to use mod-db to retrieve info from a database, but the 
mod-db example uses esql. Can I use DatabaseQueryAction to do this, and 
if so, how?

-- 
Robert J. (Bobby) Mitchell
Systems Administrator
NASA Institute for Advanced Concepts
555A 14th St Atlanta, Ga. 30318
Phone: (404)347-9633 Fax: (404)347-9638





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