How to add product venue and datetime fields in category page(web).

We are using nopecomerce for developing event management project.in which we considering product(grouped) as event and asociatedproduct(simple) as ticket class.admin part almost done.In which we are added fields for venue and datetime(custom fields) while creating a new event.I am able to display these details in product details (web) page.
but i am not able to put these(venue and datetime for each product) details in category page(web).i found that view for category page is (presentation\nop.web\views\shared\_productbox.cshtml).if there is data in model i can put it in this view.I think the controller action for this view  is (category action in catelog controller).but i dont no where to set model data for _productbox.cshtml view in the controller.please help me.