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Jueves 24 de julio de 2008 a las 18:52:20
Microsoft Language Integrated Query (LINQ) offers developers a new way to query data using strongly-typed queries and strongly-typed results, common across a number of disparate data types including relational databases, .NET objects, and XML. By using strongly-typed queries and results, LINQ improves developer productivity with the benefits of IntelliSense and compile-time error checking....
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Jueves 24 de julio de 2008 a las 18:51:09
ADO.NET provides consistent access to data sources such as Microsoft SQL Server and XML, as well as to data sources exposed through OLE DB and ODBC. Learn more about the new and enhanced features available in ADO.NET 2.0....
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Jueves 24 de julio de 2008 a las 10:09:38
What Is a Connection Object?
A Connection object represents a physical connection to a data store. To create a Connection object, you will supply the name of either an ODBC data store or an OLE DB provider. When you open the Connection object, you attempt to connect to the data store. The State property of the Connection object tells you whether you succeeded or failed. You can send SQL statements or run stored procedures by using the Execute method of the Connection object. If the command you send to the data store returns records, a Recordset object will be created automatically. You close the Connection object when you are through with it....
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