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I was wondering there was a way for the server to return an error code and error message to the javascript g...

I was wondering there was a way for the server to return an error code and error message to the javascript grid via XML.  The grid api does not currently have any error action defined (server has to return insert, delete , update). It is difficult to integrate the grid with a web based appplication.  The application (server side) may fail for a valid reason. It would be nice to be able to cancel the current grid action adn display an error message in the messager div to inform the user. Displaying an error page or an XML error at this point is less than elegant, please advise.

The latest version of dataProcessor lib supports user defined actions. So you can extend existing action or define your own (an "error" action for example).

 You can use the next syntax to create your own client side action handlers:

    myDataProcessor.defineAction("update", function(xml){

                        alert("Updated");

                        return true;

            });
 

The name of action is equal to "action" attribute in XML response, so you can define any type of action, or extend existing