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HttpSessionStateBase Class

Serves as the base class for classes that provides access to session-state values, session-level settings, and lifetime management methods.

Namespace:  System.Web
Assembly:  System.Web (in System.Web.dll)

public ref class HttpSessionStateBase abstract : ICollection, 
	IEnumerable

The HttpSessionStateBase type exposes the following members.

  NameDescription
Protected methodHttpSessionStateBaseInitializes the class for use by an inherited class instance. This constructor can only be called by an inherited class.
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  NameDescription
Public propertyCodePageWhen overridden in a derived class, gets or sets the character-set identifier for the current session.
Public propertyContentsWhen overridden in a derived class, gets a reference to the current session-state object.
Public propertyCookieModeWhen overridden in a derived class, gets a value that indicates whether the application is configured for cookieless sessions.
Public propertyCountWhen overridden in a derived class, gets the number of items in the session-state collection.
Public propertyIsCookielessWhen overridden in a derived class, gets a value that indicates whether the session ID is embedded in the URL.
Public propertyIsNewSessionWhen overridden in a derived class, gets a value that indicates whether the session was created during the current request.
Public propertyIsReadOnlyWhen overridden in a derived class, gets a value that indicates whether the session is read-only.
Public propertyIsSynchronizedWhen overridden in a derived class, gets a value that indicates whether access to the collection of session-state values is synchronized (thread safe).
Public propertyItem[Int32]When overridden in a derived class, gets or sets a session value by using the specified index.
Public propertyItem[String]When overridden in a derived class, gets or sets a session value by using the specified name.
Public propertyKeysWhen overridden in a derived class, gets a collection of the keys for all values that are stored in the session-state collection.
Public propertyLCIDWhen overridden in a derived class, gets or sets the locale identifier (LCID) of the current session.
Public propertyModeWhen overridden in a derived class, gets the current session-state mode.
Public propertySessionIDWhen overridden in a derived class, gets the unique identifier for the session.
Public propertyStaticObjectsWhen overridden in a derived class, gets a collection of objects that are declared by object elements that are marked as server controls and scoped to the current session in the application's Global.asax file.
Public propertySyncRootWhen overridden in a derived class, gets an object that can be used to synchronize access to the collection of session-state values.
Public propertyTimeoutWhen overridden in a derived class, gets or sets the time, in minutes, that can elapse between requests before the session-state provider ends the session.
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  NameDescription
Public methodAbandonWhen overridden in a derived class, cancels the current session.
Public methodAddWhen overridden in a derived class, adds an item to the session-state collection.
Public methodClearWhen overridden in a derived class, removes all keys and values from the session-state collection.
Public methodCopyToWhen overridden in a derived class, copies the collection of session-state values to a one-dimensional array, starting at the specified index in the array.
Public methodEquals(Object)Determines whether the specified object is equal to the current object. (Inherited from Object.)
Protected methodFinalizeAllows an object to try to free resources and perform other cleanup operations before it is reclaimed by garbage collection. (Inherited from Object.)
Public methodGetEnumeratorWhen overridden in a derived class, returns an enumerator that can be used to read all the session-state variable names in the current session.
Public methodGetHashCodeServes as the default hash function. (Inherited from Object.)
Public methodGetTypeGets the Type of the current instance. (Inherited from Object.)
Protected methodMemberwiseCloneCreates a shallow copy of the current Object. (Inherited from Object.)
Public methodRemoveWhen overridden in a derived class, deletes an item from the session-state collection.
Public methodRemoveAllWhen overridden in a derived class, removes all keys and values from the session-state collection.
Public methodRemoveAtWhen overridden in a derived class, deletes the item at the specified index from the session-state collection.
Public methodToStringReturns a string that represents the current object. (Inherited from Object.)
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  NameDescription
Public Extension MethodAsParallelEnables parallelization of a query. (Defined by ParallelEnumerable.)
Public Extension MethodAsQueryableConverts an IEnumerable to an IQueryable. (Defined by Queryable.)
Public Extension MethodCast<TResult>Casts the elements of an IEnumerable to the specified type. (Defined by Enumerable.)
Public Extension MethodOfType<TResult>Filters the elements of an IEnumerable based on a specified type. (Defined by Enumerable.)
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The HttpSessionStateBase class is an abstract class that contains the same members as the HttpSessionState class. The HttpSessionStateBase class enables you to create derived classes that are like the HttpSessionState class, but that you can customize and that work outside the ASP.NET pipeline. When you perform unit testing, you typically use a derived class to implement members with customized behavior that fulfills the scenario you are testing.

The HttpSessionStateWrapper class derives from the HttpSessionStateBase class. The HttpSessionStateWrapper class serves as a wrapper for the HttpSessionState class. At run time, you typically use an instance of the HttpSessionStateWrapper class to call members of the HttpSessionState object.

.NET Framework

Supported in: 4.5.2, 4.5.1, 4.5, 4, 3.5 SP1

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.
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