DataCache.Add Method (String, Object, TimeSpan, String)

Adds an object to a region in the cache. This method provides the ability to specify when the object should be expired.

Namespace: Microsoft.ApplicationServer.Caching
Assembly: Microsoft.ApplicationServer.Caching.Client (in microsoft.applicationserver.caching.client.dll)

Dim instance As DataCache
Dim key As String
Dim value As Object
Dim timeout As TimeSpan
Dim region As String
Dim returnValue As DataCacheItemVersion

returnValue = instance.Add(key, value, timeout, region)

public DataCacheItemVersion Add (
	string key,
	Object value,
	TimeSpan timeout,
	string region
public DataCacheItemVersion Add (
	String key, 
	Object value, 
	TimeSpan timeout, 
	String region
public function Add (
	key : String, 
	value : Object, 
	timeout : TimeSpan, 
	region : String
) : DataCacheItemVersion



A unique value that is used to store and retrieve the object from the cache.


The object saved to the cache cluster.


The amount of time that the object should reside in the cache before expiration.


The name of the region to save the object.

Return Value

A DataCacheItemVersionobject that represents the version of the object saved to the cache under the key value.

If an item using the same key is already present in the region, this call throws an exception of type DataCacheException with the ErrorCode set to KeyAlreadyExists.

The timeout value associated with the cached object overrides expiration settings specified in the named cache configuration. For more information, see Expiration and Eviction. For more information about how to use this method, see How to: Add an Object to Cache.

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

Development Platforms

Visual Studio 2010 and later, .NET Framework 4

Target Platforms

Windows 7; Windows Server 2008 R2; Windows Server 2008 Service Pack 2; Windows Vista Service Pack 2 2011-08-26