xpo-devexpress-dot-xpo-dot-idatalayer-dot-underscore-methods.md
The interface to which data access layers should conform.
| Name | Description |
|---|---|
| CreateCommand() | When implemented by a class, creates a command if storage allows commands to be created. |
| Dispose() | Performs application-defined tasks associated with freeing, releasing, or resetting unmanaged resources. Inherited from IDisposable. |
| GetDataLayerWideData(Object) | This member supports the internal infrastructure and is not intended to be used directly from your code. |
| ModifyData(ModificationStatement[]) | When implemented, updates data in a data store using the specified modification statements. |
| SelectData(SelectStatement[]) | When implemented by a class, fetches data from a data store using the specified query statements. |
| SetDataLayerWideData(Object, Object) | This member supports the internal infrastructure and is not intended to be used directly from your code. |
| UpdateSchema(Boolean, XPClassInfo[]) | When implemented by a class, updates the storage schema according to the specified class descriptions. |
See Also