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

By Bill Hamilton

ISBN-10: 0596004397

ISBN-13: 9780596004392

Bargains 153 suggestions, entire with code and reasons, to difficulties ordinarily encountered whilst utilizing ADO.NET to help info entry in loosely coupled n-tier program architectures. The recommendations display tips on how to connect with info resources from ADO.NET, retrieve facts utilizing SQL statements, look for files in perspectives and tables, reproduction information among ADO.NET sessions, bind facts to kinds, and increase program functionality. The code examples are written in C#.

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Config file is checked for configuration settings defined in an element before the application configuration file is checked. It is best to put application settings in the application configuration file both to facilitate deployment and to keep the machine configuration file manageable and secure. The element of the application file is used to store custom application settings as a collection of key-value pairs. ConfigurationSettings class is used to retrieve the value for a specific key within the appSettings element; the ConfigurationSettings class cannot be used to write settings to a configuration file.

Start Performance Monitor by selecting Start All Programs Administrative Tools Performance. 5. Add performance counters to monitor connection pooling with one of the following methods: 46 47 ♦ Right-click the graph and select Add Counters from the popup menu. ♦ Click the add button above the graph. 6. In the Performance object drop down list, select ODBC Connection Pooling. Table 1-3 describes the ODBC Connection Pooling counters. Table 1-3. 15 Taking Advantage of Connection Pooling Problem You need to understand connecting pooling and make sure that your applications use it.

The SPTimeout and Retry Wait can be configured programmatically only by manipulating the registry entries. For more information about the OLE DB API, see the OLE DB Programmer's Reference in MSDN Library. NET data provider pools connections by using the connection pooling provided by the ODBC Driver Manager (DM). Pooling parameters for an ODBC driver affect all applications that use that driver, unless changed from within a native ODBC application. The following two configurable settings control ODBC connection pooling: CPTimeout The length of time in seconds that an unused connection remains in the pool before it is released.

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ADO.NET Cookbook by Bill Hamilton

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