Chapter 10. Adding Standards to Queries
After completing this chapter, you will be able to:
Understand why parameters are important in queries
Add parameters to standard selection and data update queries
Call stored procedures that include both in and out parameters
In ADO.NET, queries pass to external data sources as strings. These strings include not only essential command keywords and syntactical elements but also the data values used to limit and fulfill each query. Building command strings is an art long practiced by developers in many programming languages, but it’s quite different from .NET’s promise of strongly typed data management. Why store values as distinct data types at all if you are eventually going to convert everything to ASCII text? ...
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