This example demonstrates a simple implementation of a many-to-many relationship. The ORM for the data layer is Entity Framework. In this example, clicking on the "Link" button will add a relation ...
Starting with v2014 vol 1 (v14.1), it is much easier to accomplish this task via the built-in Context Menu -> Filter Row command. Please refer to the ASP.NET: GridView Context Menu (What's new in 14.1 ...