October 2010
Intermediate to advanced
1920 pages
73h 55m
English
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Creating a User Control Cache File Dependency
You can use the CacheControlPolicy.Dependency property to create a dependency between a cached User Control and a file (or set of files) on the file system. When the file is modified, the User Control is dropped from the cache automatically and reloaded with the next page request.
For example, the User Control in Listing 29.25 displays all the movies from the Movies.xml file in a GridView control. The User Control includes a Page_Load() handler that creates a dependency on the Movies.xml file.
Listing 29.25. MovieFileDependency.ascx
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.