DataCache.Add Method (String, Object, String)

Adds an object to a region in the cache.

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 region As String
Dim returnValue As DataCacheItemVersion

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

public DataCacheItemVersion Add (
	string key,
	Object value,
	string region
public DataCacheItemVersion Add (
	String key, 
	Object value, 
	String region
public function Add (
	key : String, 
	value : Object, 
	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 name of the region to save the object in.

Return Value

A DataCacheItemVersion object 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. Expiration settings are derived from 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