Download ADO.NET Cookbook by Bill Hamilton PDF

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By Bill Hamilton

Bargains 153 strategies, entire with code and reasons, to difficulties mostly encountered whilst utilizing ADO.NET to aid facts entry in loosely coupled n-tier program architectures. The recommendations exhibit how one can connect with information resources from ADO.NET, retrieve information utilizing SQL statements, look for documents in perspectives and tables, replica info among ADO.NET sessions, bind information to types, and increase software functionality. The code examples are written in C#.

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Ensure that the PerfMon Enable checkbox is checked. 4. 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.

This is a DWORD value with a default of 64 if no registry value is present. HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\DataAccess\Session Pooling\ExpBackOff Determines the factor by which the service components will wait between reconnect attempts in the event of a failed connection attempt. This is a DWORD value with a default of 2 if no registry value is present. HKEY_CLASSES_ROOT\CLSID\{2206CDB0-19C1-11D1-89E0-00C04FD7A829} A DWORD value that specifies the maximum lifetime in seconds of a pooled connection.

PROFILE=profile The name of the Outlook or use. If this not specified, the used. MAPILEVEL= is the exact m server, a personal folder, or appears in the Outlook Fold Table path is the path immediately above the folde the SQL statement. The fold only when accessing folders of folders within the store; t character is always required nested folders, separate each backslash (\). 11 Writing Database-Independent Code Problem You need to develop an application that can be used with different data providers, but does not lose functionality that is specific to the different providers.

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