Sending Data Back to the Data Store
When updates, inserts, or deletes have to be made, the information to perform those changes must go across the various DNA tiers. Figure 11.4 displays what is accomplished in this step and completes the round trip for the data coming from and going back to the data store. You can see that the presentation layer initiates an action to send data back to the business component. The business component sends that to the data component and that is finally sent to the data store .
Figure 11.4. Sending data back to the data store in Windows DNA.
In getting the data to the data store, there are two different scenarios ...
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