Hi

A while back I wrote an article about How to sort data by manipulating the view only, This article will handle filtering the data without changing it.

I had a large collection that I needed to display and allow the user to filter it using many parameters. After searching for a while I found a very elegant solution:

What is a Predicate

what are predicates? I will Quote

Represents the method that defines a set of criteria and determines whether the specified object meets those criteria.

You can read more about it here.

Defining a Predicate

A predicate Is a template so you will have to specify the type for instance: