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How does the insert method in Cache work?
The Insert method enables you to insert a new item in the cache and provide a delegate that is called before the item is removed from the cache. In the delegate, you can update the cached item and thereby prevent it from being removed from the cache. This method will overwrite an existing Cache item with the same key parameter.
How to prevent an item from being removed from the cache?
In the delegate, you can update the cached item and thereby prevent it from being removed from the cache. This method will overwrite an existing Cache item with the same key parameter.
How to insert an item into the cache with sliding expiration?
The following example demonstrates how to insert an item into the cache with a sliding expiration. This method will overwrite an existing Cache item with the same key parameter. If the slidingExpiration parameter is set to NoSlidingExpiration, sliding expiration is disabled.
When to use no cache or no store directive?
Therefore such content is generally not cached by using the no-cache and no-store directives of the Cache-Control header. You can use the table below to set the appropriate cache lifetime based on the type of resource: for up to 6 months. Note: Static assets can be safely cached for a longer duration, like six months or even one year.
How to add an object to the cache?
An object that represents the item that was added if the item was previously stored in the cache; otherwise, null. The key or value parameter is set to null. The slidingExpiration parameter is set to less than TimeSpan.Zero or more than one year.
How to call formdatasource.cacheaddmethod method in init?
Call the FormDataSource.cacheAddMethod method after the call to super () in the init method. The first parameter for cacheAddMethod determines the name of the method to be cached.
How to update Cached items in Microsoft Docs?
A delegate that will be called before the object is removed from the cache. You can use this to update the cached item and ensure that it is not removed from the cache. The key, value, or onUpdateCallback parameter is null. You set the slidingExpiration parameter to less than TimeSpan.Zero or the equivalent of more than one year.