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Beginning Visual Basic 2012 by Bryan Newsome

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Chapter 16

Database Programming with SQL Server and ADO.NET

What You Will Learn in this Chapter

  • About ADO.NET objects
  • Binding data to controls
  • Searching for and sorting in-memory data using ADO.NET DataView objects
  • Selecting, inserting, updating, and deleting data in a database using ADO.NET

Wrox.com Code Downloads for this Chapter

The wrox.com code downloads for this chapter are found at www.wrox.com/remtitle.cgi?isbn=1118311813 on the Download Code tab. The code is in the 311813 C16.zip download and individually named according to the names given throughout the chapter.

Chapter 15 introduced SQL. You obtained data from a single table and multiple tables in a SQL Server database. You learned how to use queries to manipulate data.

This chapter dives much deeper into the topic of database programming. In this chapter, you explore how you can use the built-in capabilities of ADO.NET to retrieve and update data from databases. You will also learn to manipulate, filter, and edit data held in memory by the DataSet.

The data you extract will be bound to controls on your form, so you also need to explore binding. You will see how you can use controls to view one record at a time (for example, using text boxes) and how to navigate between records by using the CurrencyManager object.

You will also learn how to access SQL Server databases using the SqlClient data provider. SqlClient is significantly faster than OleDb, but it works only with SQL Server databases. To complete the exercises ...

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