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This month I will discuss the pros and cons of developing a Microsoft .NET Framework-based application using strongly typed DataSet objects. I will begin by discussing what a typed DataSet is and how it extends the DataSet, DataTable, and DataRow classes. Throughout this installment, I will refer to a sample application which includes the complete code to perform inserts, updates, and deletes on the Orders and Order Details tables of the SQL Server Northwind database using strongly typed DataSets. This sample multitier application (which you can downloaded from the link at the top of this article) uses a typed DataSet in several tiers including a class library used as the business logic layer, a Web service, and an ASP.NET Web application. I will wrap up by explaining some of the tips and tricks you can employ when using strongly typed DataSets.
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