It's not quite clear what you are asking. Note, the third argument to 
ajax() is not a function but the CSS id of the DOM element where the 
returned HTML should be inserted. If instead of returning and inserting 
some HTML you would like to run some Javascript code upon completion of the 
Ajax call, you can specify ":eval" as the third argument, in which case, 
the Ajax return value will be treated as Javascript code and run.

Anthony

On Friday, June 5, 2015 at 9:08:27 AM UTC-4, wdtnh wrote:
>
> Appreciate any help one can offer.  I have an web2py application where I 
> need to perform using the custom web2py ajax function provided with web2py:
>
> ajax(url, [name1, name2, ...], targetFunction).  
>
> The post works fine on the server side but I was wondering if there is a 
> way to use this function to catch the new ID (pkey) field value that I need 
> to return and use on the updated webpage.
>
> I can always go the $.post option but this function has a very clean 
> syntax and is very convenient so I would like to stay with this function.
>
> Any help greatly appreciated.
> Bill 
>
>
>

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