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Put Method (String, Object, DataCacheItemVersion)

Adds or replaces an object in the cache if it is at the specified version.

Namespace:  Microsoft.ApplicationServer.Caching
Assembly:  Microsoft.ApplicationServer.Caching.Client (in Microsoft.ApplicationServer.Caching.Client.dll)

public DataCacheItemVersion Put(
	string key,
	Object value,
	DataCacheItemVersion oldVersion
)

Parameters

key
Type: System..::..String
The unique value that is used to identify the object in the cache. Key names must be less than 65 KB.
value
Type: System..::..Object
The object to add or replace.
oldVersion
Type: Microsoft.ApplicationServer.Caching..::..DataCacheItemVersion
The DataCacheItemVersion object that represents the version of the cached object that is to be replaced.

Return Value

Type: Microsoft.ApplicationServer.Caching..::..DataCacheItemVersion
A DataCacheItemVersion object that represents the version of the object saved to the cache under the key value.

By passing the oldVersion parameter, this method can maintain concurrency. If another process updates the cached object before this method is called, this method does not update the cached object and returns null.

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