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Implementing ASP.NET Caching Features Review

Implementing ASP.NET Caching Features Overview

Caching is an extremely important concept to understand. Right out of the box, ASP.NET has shown its response times to be three times that of ASP. With the proper use of caching we can increase ASP.NET performance up to ten times its out-of-the-box capability. The benefits of caching come include the elimination of instance creation of pages for every request, the opening of database connections, shortening of the time needed to return data from a database, and object creation for shared objects. In this series, we will more clearly see the process behind page requests, data retrieval, and response generation.

In part one of the series, Bill Wilson looks at page caching, also referred to as output caching. This is a solution to improve performance for relatively static web pages. ASP.NET provides two possible alternatives for page caching: complete page caching and partial page caching. We will look at both scenarios to see how we might use these approaches in developing web pages.

In part two, we will be looking at using the Cache API to implement page caching solutions. Use of the Cache API will require us to setup caching requirements programmatically.

In part three, we will be looking at using data caching. Data caching will allow us to store many different types of objects, ranging from a string to a dataset, to complex classes. We will even see how to store a page element, such as a ListBox, within the cache.

In the fourth and final article in the series, we will investigate some other caching features of ASP.NET. These areas will revolve around the state caching objects available within ASP.NET: the Application object, the Session object, and the ViewState object. We will look at how each feature is used and discuss the scenarios where each feature is best suited.

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