DataCache.Add Method (String, Object, TimeSpan, IEnumerable(Of DataCacheTag), String)
Adds an object to a region in the cache. This method enables associating tags with the cached object and specifying when the object should be expired. This overload is not supported in Windows Azure Shared Caching.
Assembly: Microsoft.ApplicationServer.Caching.Client (in Microsoft.ApplicationServer.Caching.Client.dll)
Public Function Add ( key As String, value As Object, timeout As TimeSpan, tags As IEnumerable(Of DataCacheTag), region As String ) As DataCacheItemVersion
Parameters
- key
-
Type:
System.String
A unique value that is used to store and retrieve the object from the cache. Key names must be less than 65 KB.
- value
-
Type:
System.Object
The object saved to the cache.
- timeout
-
Type:
System.TimeSpan
The amount of time that the object should reside in the cache before expiration.
- tags
-
Type:
System.Collections.Generic.IEnumerable(Of DataCacheTag)
An array of DataCacheTag objects to associate with the cached object.
- region
-
Type:
System.String
The name of the region to save the object.
Return Value
Type: Microsoft.ApplicationServer.Caching.DataCacheItemVersionA 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 cache, 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.