That is, if a user makes one or more guestbook comments, and then we attempt to delete that user account, the delete will fail unless his guestbook comments are deleted first.
Foreign key constraints can be configured to automatically delete the associated child records when a parent record is deleted.
In Steps 2 and 3 we will look at how the currently logged on user can view and edit their home town, homepage, and signature information.
After adding this first field, marking it as the primary key, and settings its default value, your screen should look similar to the screen shot shown in Figure 2.
Figure 2: Add a Primary Column Named tutorial, the Membership framework is designed to enable multiple web applications with different user accounts to share the same user store.
In Step 4 we will create the interface for authenticated users to submit new comments to the guestbook and view the existing ones.
There are a variety of ways to allow the currently logged on user to view and edit his home town, homepage, and signature information.