How do I use the OutputCache attribute in ASP.NET?
The OutputCache attribute in ASP.NET is used to cache the output of a controller action or a page. You can specify parameters like duration, location, and VaryByParam to control caching.
Can you give me an example of how to implement it?
Sure! You can use it like this: [OutputCache(Duration=60, VaryByParam="none")] public ActionResult Index() { return View(); }
This caches the output for 60 seconds.
What happens if I set VaryByParam to 'all'?
If you set VaryByParam to 'all', the cached output will vary based on all query string parameters, meaning different outputs will be cached for different parameter values.
Are there any performance considerations I should be aware of?
Yes, while caching can improve performance, be cautious about caching dynamic content that changes frequently, as it may lead to stale data.
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