Class Reference

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This section provides a quick interface reference to the key objects described in this chapter. Space constraints prevent us from documenting every object in the .NET framework in this book, so for the sake of brevity and conciseness, we include only the most important objects here. For more information on the other objects in the .NET framework, consult the .NET Framework Reference online help file.

HttpSessionState Class

Member of System.Web.SessionState .

Assembly: System.Web.dll.

The HttpSessionState class is instantiated and placed inside the Session property of the Page object.

Properties
CodePage	Contents	Count
IsCookieless	IsNewSession	IsReadOnly
IsSynchronized	Item	Keys
LCID	Mode	SessionID
StaticObjects	SyncRoot	TimeOut
Methods
Abandon	Add	Clear
CopyTo	GetEnumerator	Remove
RemoveAll	RemoveAt

HttpCachePolicy

Member of System.Web .

Assembly: System.Web.dll.

The HttpCachePolicy class allows you to control many of the parameters that the <%@ OutputCache %> directive controls. It also adds several more methods to give additional control over caching.

Properties
VaryByHeaders	VaryByParams
Methods
AddValidationCallback	AppendCacheExtension	SetCacheability
SetETag	SetETagFromFile Dependencies	SetExpires
SetLastModified	SetLastModifiedFrom FileDependencies	SetMaxAge
SetNoServerCaching	SetNoStore	SetNoTransforms
SetProxyMagAge	SetRevalidation	SetSliding Expiration
SetValidUntilExpires	SetVaryByCustom

HttpCacheVaryByHeaders

Member of System.Web .

Assembly: System.Web.dll.

The HttpCacheVaryByHeaders class provides a type-safe way to set the VaryByHeaders property of the HttpCachePolicy class for a number of well-known headers.

Properties
AcceptTypes	Item	UserAgent
UserCharSet	UserLanguage
Methods
VaryByUnspecifiedParameters

HttpCacheVaryByParams

Member of System.Web .

Assembly: System.Web.dll.

The HttpCacheVaryByParams class provides a type safe way to set the VaryByParams property of the HttpCachePolicy class.

Properties
IgnoreParams	Item

Cache

Member of System.Web.Caching .

Assembly: System.Web.dll.

The cache class is a store for caching frequently used resources on the server.

Fields
NoAbsoluteExpiration	NoSlidingExpiration
Properties
Count	Item
Methods
Add	Get	GetEnumerator
Insert	Remove

CacheDependency

Member of System.Web.Caching .

Assembly: System.Web.dll.

Keeps track of dependencies for items in the cache. This class cannot be inherited from.

Constructors

 public CacheDependency(string); public CacheDependency(string[]); public CacheDependency(string, DateTime); public CacheDependency(string[], DateTime); public CacheDependency(string[], string[]); public CacheDependency(string[], string[], CacheDependency); public CacheDependency(string[], string[], DateTime); public CacheDependency(string[], string[], CacheDependency, DateTime); 

Properties

HasChanged

Methods

Dispose

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