Visual Basic

Get ADO.NET Cookbook PDF

By Bill Hamilton

ISBN-10: 0596004397

ISBN-13: 9780596004392

Bargains 153 strategies, entire with code and causes, to difficulties generally encountered whilst utilizing ADO.NET to help information entry in loosely coupled n-tier program architectures. The options reveal the way to hook up with information resources from ADO.NET, retrieve info utilizing SQL statements, look for files in perspectives and tables, replica information among ADO.NET periods, bind info to varieties, and enhance program functionality. The code examples are written in C#.

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One drawback is that application configuration files are not inherently secure since they store information as clear text in a file that is accessible through the file system. Encrypt the connection and other 42 43 sensitive information within the configuration file and ensure that NTFS file permissions are set to restrict access to the file. 7 shows techniques to encrypt data. config this is the default. config. config within your solution, you will have to copy it to the startup directory each time you modify it and each time you build the solution; the build process deletes it from the startup directory.

5. In the Selected Events list box, ensure that the Audit Login and Audit Logout events appear beneath the Security Audit node. 45 46 Remove all other events from the list. Click the Run button to start the trace. 6. The new Profiler window will display a table containing Audit Login events when connections are established and Audit Logout events when connections are closed. 2 Windows Performance Monitor To use the Windows Performance Monitor to monitor connection pooling: 1. Start Performance Monitor by selecting Start All Programs Administrative Tools Performance.

Although data appears to be changed, it is not permanently changed until the AcceptChanges( ) method is called either explicitly or implicitly to commit the changes. 6 shows how to access rows marked for deletion. The DataReader provides forward-only, read-only access to a result set. The DataReader offers the best performance for accessing data by avoiding the overhead associated with the DataSet. The Connection object underlying a DataReader remains open and cannot be used for any other purpose while data is being accessed.

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ADO.NET Cookbook by Bill Hamilton


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