In ASP.NET 2.0, many new features and controls have been added. Among them, the cache function of the data is larger than the ASP.NET 1.1. As is well known, the cache function of data is important, we can put some data in a relative period of time in a cache, so you don't have to read the database each time, when these data is needed, It can be obtained directly from the cache, greatly enhances efficiency.
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ASP.NET 2.0 Data Cache Function Introduction