I need to use a grid that allows for filtering in the column headers. I know there are some third-party components out there that cost money. I am looking for something that is free / open-source that can be used on a project. Is anyone aware of a GridView that can do this?
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One way is to put drop down lists in the headers and on the selectedchanged event, rebind your grid based on that.
This article is a good sample.
This google search is helpful http://www.google.com/search?q=asp.net+gridview+header+filter&ie=utf-8&oe=utf-8&aq=t&rls=org.mozilla:en-US:official&client=firefox-a