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Columns, objRestrictions); For information on the Restrictions parameter for a particular OleDbSchemaÂ−Guid value, see the MSDN documentation for that value. The GetOleDbSchemaTable method returns a DataTable (a structure weâ ll examine in detail in Chapter 6) that contains the schema information you requested. The structure of the DataTable that the method returns depends on the type of schema you requested. NET ... NET ... ToString()); You can build a fairly simple application that uses the GetOleDbSchemaÂ−Table method to display schema information about your database (tables, views, stored procedures, and so forth), much like Server Explorer does.

If this possibility makes you uncomfortable, you should omit the password from the connection string, and prompt the user for the passwordâ or use integrated security, which weâ ll discuss next. Integrated Security Who says you need a password to connect to your database? Some database systems, such as SQL Server, allow you to connect using your network identity. This feature is known by a number of different namesâ network authentication, Windows authentication, Windows NT authentication, or integrated security.

NET Server Explorer For example, if you want to access or add items to the machineâ s event log from your application, you can drag and drop an item from the Event Logs portion of Server Explorer onto a designer and then add code to your application to call that item. Server Explorer also lets you interact with your database from within the Visual Studio development environment. SQL Server is one of the services that Server Explorer makes available through its server-based interface. Thereâ s also a separate category toward the top of Server Explorer called Data Connections.

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Microsoft ADO NET. by David Sceppa

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