Visual Basic

Download PDF by Bill Hamilton: ADO.NET 3.5 Cookbook

By Bill Hamilton

ISBN-10: 0596101406

ISBN-13: 9780596101404

This advisor is strikingly various from different books on Microsoft ADO.NET. instead of load you down with idea, the hot variation of ADO.NET 3.5 Cookbook grants greater than two hundred coding ideas and top practices for genuine difficulties you are more likely to face with this expertise utilizing visible Studio 2008 and the .NET 3.5 platform.
Organized that will help you locate the subject and particular recipe you would like speedy and simply, this ebook is greater than only a convenient compilation of cut-and-paste C# code. ADO.NET 3.5 Cookbook additionally bargains transparent causes of the way and why each one code resolution works, and warns you of capability pitfalls so that you can discover ways to adapt the book's problem-solving innovations to diverse situations.
This number of timesaving recipes covers very important subject matters including:
- Connecting to data
- Retrieving and handling data
- reworking and studying data
- editing data
- Binding information to .NET person interfaces
- Optimizing .NET information access
- Enumerating and conserving database objects
- retaining database integrity
Ideal for ADO.NET programmers in any respect degrees, from the quite green to the main refined, this new version covers the numerous 3.5 improve, together with new programming instruments akin to LINQ. ADO.NET 3.5 Cookbook bargains a painless method for these of you preferring to benefit by means of doing in terms of increasing your abilities and productiveness.

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Additional resources for ADO.NET 3.5 Cookbook

Example text

1. Problem You want to connect to a Microsoft Excel workbook. 2. NET data provider. NET data provider. Information about the connection is displayed. The Excel 2007 workbook in this solution is shown in Figure 1-13. Figure 1-13. xlsx 53 54 The Excel 2003 workbook used in this solution is identical. cs in the project ConnectExcel is shown in Example 1-14. Example 1-14. ReadKey( ); } } } The output is shown in Figure 1-14. Figure 1-14. 3. NET data provider. 0, which is the new Access database engine OLE DB driver that can also read previous versions of Microsoft Excel workbooks.

The name of the database must be valid or an ArgumentException will be raised. If the connection is not open when the method is called, an InvalidOperationException is raised. , SqlException for SQL Server data provider) is raised if the database cannot be changed for any reason. The Database property of the Connection object is updated dynamically and returns the current database for an open connection or the name of a database that will be used by a closed connection when it is opened. When the Connection is closed after ChangeDatabase() is called, the database is reset to that specified in the original connection string.

Write(row["ContactID"] + " - " + row["LastName"] + ", " + row["FirstName"] + "
"); } } } 38 39 The output is shown in Figure 1-6. 3. Discussion Connecting to a SQL Server database provides two different authentication modes: Windows Authentication Uses the current security identity from the Windows user account to provide authentication information. It does not expose the user ID and password and is the recommended method for authenticating a connection. SQL Server Authentication Uses a SQL Server login account providing a user ID and password.

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ADO.NET 3.5 Cookbook by Bill Hamilton


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