This is too late in the sequence, occurring the Update button is clicked.
I want access to the Old Values when the Edit button is clicked.
It then examines how to apply role-based URL authorization rules. NET to allow only authenticated users to visit a page.In particular, we created a page that listed the contents of the current directory.Anyone could visit this page, but only authenticated users could view the files' contents and only Tito could delete the files.Defines the core behavior of authentication providers and provides a base for derived classes.Implementations of this class must provide a default constructor if they're intended to be instantiated from the app.config file. Sql Credential provides a more secure way to specify the password for a login attempt using SQL Server Authentication.
Search for rowupdating which:
The Login View control, which renders different output for authenticated and anonymous users, can be configured to display different content based on the logged in user's roles.