Murach's ADO.NET 2.0 with VB 2005
A complete Payable Entry application

After learning how to develop 3-layer applications in the previous 4 chapters, you're ready to see a comprehensive, real-world application. So the Payable Entry application in this chapter is significantly more complicated than any of the earlier examples. It uses object data sources and transactions, and it should give you many programming ideas that you can apply to your own applications.

Chapter 10 A complete Payable Entry application
The user interface and class diagram 308
The user interface 308
The class diagram for the PayablesData library 312
The code for the business classes 314
The code for the Vendor class 314
The code for the Payable class 314
The code for the LineItem class 316
The code for the LineItemList class 316
The code for the State class 316
The code for the database classes 320
The code for the VendorDB class 320
The code for the PayableDB class 322
The code for the PayablesDB class 326
The code for the StateDB class 326
The code for the forms 328
The code for the Vendor Invoices form 328
The code for the Find Vendor form 332
The code for the Add Invoice form 334
The code for the Line Items form 336
The code for the Add/Modify Vendor form 338




Murach's ADO.NET 2.0 with VB 2005

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