Murach's ADO.NET 3.5, LINQ,
and the Entity Framework with VB 2008
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.
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The user interface |
310 |
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The class diagram for the PayablesData
library |
314 |
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The code for the Vendor class |
316 |
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The code for the Payable class |
316 |
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The code for the LineItem class |
318 |
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The code for the LineItemList
class |
318 |
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The code for the State class |
318 |
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The code for the VendorDB class |
322 |
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The code for the PayableDB class |
324 |
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The code for the PayablesDB class |
328 |
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The code for the StateDB class |
328 |
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The code for the Vendor Invoices
form |
330 |
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The code for the Find Vendor form |
334 |
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The code for the Add Invoice form |
336 |
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The code for the Line Items form |
338 |
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The code for the Add/Modify Vendor
form |
340 |
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