What is Caching? Caching is a technique of storing frequently used data/information in memory, so that, when the same data/information is needed next time, it could be directly retrieved from the memory instead of being generated by the application. Caching is extremely important for performance boosting in ASP.Net, as the pages and controls are dynamically generated here. It is especially important for data related transactions, as these are expensive in terms of response time. Caching in ASP.Net: ASP.Net provides the following different types of caching: Output Caching: Output cache stores a copy of the finally rendered HTML pages or part of pages sent to the client. When the next client requests for this page, instead of regenerating the page, a cached copy of the page is sent, thus saving time. Data Caching: Data caching means caching data from a data source. As long as the cache is not expired, a request for the data will be fulfilled from the...