Visual Basic

Download e-book for iPad: ADO.NET 3.5 Cookbook by Bill Hamilton

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 version of ADO.NET 3.5 Cookbook grants greater than two hundred coding recommendations and most sensible practices for actual difficulties you are prone 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 wish quick and simply, this booklet is greater than only a convenient compilation of cut-and-paste C# code. ADO.NET 3.5 Cookbook additionally deals transparent causes of the way and why every one code answer works, and warns you of power pitfalls so that you can discover ways to adapt the book's problem-solving suggestions to varied situations.
This choice of timesaving recipes covers important themes including:
- Connecting to data
- Retrieving and handling data
- reworking and interpreting data
- enhancing data
- Binding facts to .NET consumer interfaces
- Optimizing .NET info access
- Enumerating and protecting database objects
- conserving database integrity
Ideal for ADO.NET programmers in any respect degrees, from the really green to the main refined, this re-creation covers the numerous 3.5 improve, together with new programming instruments equivalent to LINQ. ADO.NET 3.5 Cookbook deals a painless method for these of you preferring to benefit by means of doing by way of increasing your talents and productiveness.

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Extra info for ADO.NET 3.5 Cookbook

Example text

Configure the Access computer On the Access computer, the user account that is used to access the database requires Read, Write, Execute, and Change permissions on the database file. The user identity needs Read, Write, Execute, Delete, and Change permissions on the folder containing the database files. The user account requires permissions to access the share that contains the database file and folders. The user account must be recognized by the Access computer. For a domain user account, add it to the permissions list on both computers.

1. Problem You want to change the database that a connection uses without recreating the connection. 2. Solution Use the ChangeDatabase() method to change the database for a connection. NET data provider. The database for the connection is then changed to use the ReportServer database. Finally, the connection is explicitly closed. cs in the project ChangeConnectionDatabase is shown in Example 1-16. 59 60 Example 1-16. Database); // Change the database. ReadKey(); } } } The output is shown in Figure 1-17.

In each case, an event handler is attached to the StateChange event to monitor changes in connection state. cs in the project SetConnectionPoolingOptions is shown in Example 1-17. 61 62 Example 1-17. ToString()); } } } The output is shown in Figure 1-18. 3. NET data providers. 1. NET data provider are described in Table 1-3. Figure 1-18. Output for SetConnectionPoolingOptions solution Table 1-3. SQL Server connection string pooling attributes AttributeDescriptionConnection LifetimeLength of time in seconds after creation after which a connection is destroyed.

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ADO.NET 3.5 Cookbook by Bill Hamilton

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