hash tables. See dictionaries
Hashtable class, 261–262
heap. See managed heap
HelpProvider component (Windows Forms), 769
hiding methods, 115–116
hosting with WCF, 1143–1144
HTML
in ASP.NET code model, 909
displaying output as HTML page, 1245–1258
naming tags for user controls (ASP.NET), 946
<%@ Page %> tag, 908
server controls (ASP.NET), 910
HTTP performance issues, 1133