Cached data expires when the amount of time specified by the CacheDuration property has passed since the data was first cached.
Syntax
DataSourceCacheExpiry Absolute
Requirements
Namespace: System.Web.UI
Assembly: System.Web (in System.Web.dll)
Assembly Versions: 2.0.0.0
Since: .NET 2.0
Assembly: System.Web (in System.Web.dll)
Assembly Versions: 2.0.0.0
Since: .NET 2.0