Question

In my ASP.NET MVC application I have a view that displays a list of Products in the system. I would like to implement an option for users to filter the list of Products by selecting parametes, similar to the way it’s done on http://www.codeplex.com. I would like to know how you would go about doing this in the most efficient and simple way? Any links to tutorials or guides are appreciated.

Answer 1

Basically, for a search of this type (server-side), you need:

1. Fields in a <form> for the user to fill out to perform the search request.
2. A button to post the form fields to your controller method
3. A repository for the Linq queries that will return the proper records.
4. A Method in the repository that accepts the parameters you have captured, and executes a linq query returning your filtered result, using Where clauses to filter the returned records.
5. The result of the query gets returned to the view for display.

If you need dynamic capabilities (i.e. the user may omit one or more parameters, and you need the flexibility to specify those parameters in the Linq query at runtime), then have a look at Dynamic Linq.