In the previous chapter you looked at developing the business logic layer of an application. To implement the business logic you worked with the classes contained in the System.Data namespace. These classes retrieve and work with relational data, which is a common requirement of many business applications. You are now ready to look at how users will interact with your application. Users interact with an application through the user interface layer. The user interface layer in turn interacts with the business logic layer, which in turn interacts with the data storage layer. This chapter covers building a “traditional” user interface consisting of Windows Forms. In the next chapter, you will look at creating a Web interface for an application.


Base Class Business Logic Visual Studio Menu Item Event Handler 
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© Dan Clark 2002

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