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Row Updated = new Sql Row Updated Event Handler(On Row Updated); // Set Data Adapter command properties, fill Data Set, modify Data Set. Fill Error, New Fill Error Event Handler( _ Address Of Fill Error) Dim data Set As Data Set = New Data Set adapter. ' Add a row to table using the values from the first two columns.

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Anyone could visit this page, but only authenticated users could view the files' contents and only Tito could delete the files.

Applying authorization rules on a user-by-user basis can grow into a bookkeeping nightmare.

Close() End If End Sub Private Shared Sub On Row Updated( _ sender As Object, args As Sql Row Updated Event Args) If args.

Fill(data Set, "This Table") Private Shared Sub Fill Error(sender As Object, _ args As Fill Error Event Args) If args.

A more maintainable approach is to use role-based authorization.

The good news is that the tools at our disposal for applying authorization rules work equally well with roles as they do for user accounts.

Rather than have to lookup the role information in the database on every request, the Roles framework includes an option to cache the user's roles in a cookie.

If the Roles framework is configured to cache the user's roles in a cookie, the class to determine the user's roles. Figure 2: The User's Role Information Can Be Stored in a Cookie to Improve Performance (Click to view full-size image) By default, the role cache cookie mechanism is disabled.

Take a look at the page load if you are binding on post back then the values get updated before you are able to access them.

event is raised when a row's Update button is clicked, but before the Grid View control updates the row.

And the Roles API includes methods for determining the logged in user's roles.

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