... setting, 41 5 , 575fragment caching, 578output caching, 575performance optimization, 575, 5 91 retrieving data, 41 4 syntax, 41 4 usage guidelines, 41 9 WroxUnited example, use within, 41 5 – 41 8 code ... 46 3, 47 0definition, 46 6HelloWorld example, 47 4 47 6code workthrough, 47 4main partsassembly manifest, 46 6MSIL code, 46 6page view, 47 4pre-compilation, 47 0simple component example, 46 7 47 0code ... workthrough, 41 7 Calendar controls, use of, 41 6 , 41 8 Hashtable object, use of, 41 7 page view, 41 7 CacheDuration attribute, 6 04 calculator example, 206– 211 Button controls, event calling using, 210 code...