These scripts can be also be downloaded directly from Microsoft, if you'd prefer.If you use a different SQL Server version of the Northwind database, you will need to update the file.
For more information, see Suspending Update Constraints. NET provides consistent access to data sources such as SQL Server and XML, and to data sources exposed through OLE DB and ODBC. NET to connect to these data sources and retrieve, handle, and update the data that they contain. NET separates data access from data manipulation into discrete components that can be used separately or in tandem. Those results are either processed directly, placed in an ADO. Data.dll, and are integrated with the XML classes found in System. For sample code that connects to a database, retrieves data from it, and then displays that data in a console window, see ADO. NET Framework data providers for connecting to a database, executing commands, and retrieving results. NET provides functionality to developers who write managed code similar to the functionality provided to native component object model (COM) developers by Active X Data Objects (ADO). This is the first tutorial in a lengthy series that will explore techniques for implementing these common patterns in ASP. We'll start with creating a software architecture composed of a Data Access Layer (DAL) using Typed Data Sets, a Business Logic Layer (BLL) that enforces custom business rules, and a presentation layer composed of ASP. Once this backend groundwork has been laid, we'll move into reporting, showing how to display, summarize, collect, and validate data from a web application.These tutorials are geared to be concise and provide step-by-step instructions with plenty of screen shots to walk you through the process visually.