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Pessimistic locking solves ADO.NET concurrency problems

One way to work around optimistic concurrency issues in ADO is to lock the records your DataSet retrieves as soon as the edit operation begins. This strategy is known as pessimistic locking. Long-duration locks generally lead to poor database performance and contention problems, but in situations where an application cannot...

Tags: .NET, Databases, Craig Utley, Microsoft ADO.NET, Set DataAdapter, cmdFill, event handler

Technical articles 2003-02-24

Additional Resources

How to handle optimistic concurrency violations in ADO.NET

In database-locking parlance, the term optimistic concurrency means that your application assumes that no one else will be making changes to the same record that it is currently editing. I explored this concept in detail in a previous article, along with how ADO.NET automatically supports this locking method at the...

Tags: .NET, Microsoft development tools, Databases, Programming languages, Craig Utley, Data Adapter Configuration Wizard, concurrency violation, optimistic concurrency violation, sample application, Microsoft ADO.NET

Technical articles 2003-02-10

Runtime menus in VB6 allow for more flexibility

Menu controls provide a great way to offer users functionality needed to perform various tasks. The ability to control your menus in runtime also comes in handy. For instance, your application might show a list of recently opened files in a way that's similar to how Microsoft applications work. We'll...

Tags: Irina Medvinskaya, Microsoft Visual Basic 6.0, Menu Editor, runtime, menu item

Technical articles 2003-03-24