ASP.NET 4 Unleashed

Caching with the ObjectDataSource Control

The ObjectDataSource control supports the same caching properties as the SqlDataSource control. You can cache the data that an ObjectDataSource control represents by setting its EnableCaching, CacheDuration, and (optionally) CacheExpirationPolicy properties.

Note

Multiple ObjectDataSource controls can share the same cached data. To share the same cache, the ObjectDataSource controls must have identical TypeName, SelectMethod, and SelectParameters properties.

For example, the page in Listing 29.29 uses an ObjectDataSource control to represent the Movies database table. The ObjectDataSource is bound to a component named Movie that includes a method named GetMovies() that returns all the records from ...