OutputCacheProvider.Add Method

Inserts the specified entry into the output cache.

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

public abstract Object Add(
	string key,
	Object entry,
	DateTime utcExpiry


Type: System.String

A unique identifier for entry.

Type: System.Object

The content to add to the output cache.

Type: System.DateTime

The time and date on which the cached entry expires.

Return Value

Type: System.Object
A reference to the specified provider.

If there is already a value in the cache for the specified key, the provider must return that value. The provider must not store the data passed by using the Add method parameters. The Add method stores the data if it is not already in the cache. If the data is in the cache, the Add method returns it.

.NET Framework

Supported in: 4.5.2, 4.5.1, 4.5, 4

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.

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