By William R. Vaughn
Written in particular for COM-based ADO builders retooling for ADO.NET utilizing the C# language, this e-book brings clean insights and pointers on the ADO.NET know-how. Veteran authors William Vaughn and Peter Blackburn have packed this formative advisor with functional recommendation on tips on how to write code that's either quicker operating and more straightforward to appreciate.
The onset of the recent .NET know-how is forcing builders to fully reconsider their information entry thoughts. This ebook lets you do that via operating examples and diverse discussions of what works and what doesnt. Derived from years of expertise operating with information entry builders, ADO.NET Examples and top Practices for C# Programmers includes a suite of ideas confirmed to greatly lessen overhead, difficulties, and confusionfor the devleoper, the procedure, and the whole staff. whereas a few are very simple to enforce, others require significant forethought to permit. it is a builders bookfull of tricks, assistance and notes handed on from these whove spent major time within the .NET and C# trenches.
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Extra resources for ADO.NET Examples and Best Practices for C# Programmers
Data namespace. 29 Chapter 1 Instantiating System. NET application should be fairly specific about the libraries it expects to reference. Data namespace so you don't have to add an explicit reference to use them. NET Data Provider that must be installed and registered separately-and so it is not part of System. Data namespace. The Solution Explorer is a handy way to see what namespaces are already referenced for your application's assembly, as shown in Figure 1-6. System. vb Form 1. vb c. 1111 I ..
The ForeignKeyConstraint determines what action is taken when a PK value is changed or deleted. I touch on these details again in Chapter 8. NET IDE do not provide any mechanisms to construct these PK/FK relationships for you, despite supporting functionality to graphically define these relationships. NET Data Provider. NET Data Provider. NET Data Provider, which contains objects to connect to the data source (SqIConnection), query the data (SqIDataAdapter), and retrieve a data stream (DataReader).
If this does not produce suitable SQL syntax, you can manually fill in the action queries using queries of your own design-even calling stored procedures to perform the operations. I discuss the construction of these commands in Chapter 3. Coding the DataAdapter I expect you'd like to see some code that demonstrates how all of this is implemented. Because I haven't discussed the Connection object yet, this will be a little tough, but let's assume for a minute that you know how to get connected in ADO.
ADO.NET Examples and Best Practices for C# Programmers by William R. Vaughn