OnRequesting

The OnRequesting client-side event occurs when data is requested form the web service.

The event handler receives two parameters:

• sender - an instance of the datasource;

• args -containing the following methods:

• get_modelName()- returns the model for which the event is fired;

• get_options() - returns the parameters object that will be sent to the service.

• set_filterExpression() - sets filters for the request;

• set_pageIndex() - sets the page index;

• set_pageSize() - sets the page size;