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Description
This tutorial is part of a set. Find out more about data access with ASP.NET in the Working with
Data in ASP.NET 2.0 section of the ASP.NET site at http://www.asp.net/learn/dataaccess/default.aspx.
Working with Data in ASP.NET 2.0 :: Creating a
Data Access Layer
Introduction
As web developers, our lives revolve around working with data. We create databases to store the data, code to
retrieve and modify it, and web pages to collect and summarize it. This is the first tutorial in a lengthy series
that will explore techniques for implementing these common patterns in ASP.NET 2.0. We'll start with creating
a software architecture composed of a Data Access Layer (DAL) using Typed DataSets, a Business Logic Layer
(BLL) that enforces custom business rules, and a presentation layer composed of ASP.NET pages that share a
common page layout. 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 stepbystep instructions with plenty of screen shots to walk you through the process visually. Each
tutorial is available in C# and Visual Basic versions and includes a download of the complete code used. (This
first tutorial is quite lengthy, but the rest are presented in much more digestible chunks.)
For these tutorials we'll be using a Microsoft SQL Server 2005 Express Edition ...
Data in ASP.NET 2.0 section of the ASP.NET site at http://www.asp.net/learn/dataaccess/default.aspx.
Working with Data in ASP.NET 2.0 :: Creating a
Data Access Layer
Introduction
As web developers, our lives revolve around working with data. We create databases to store the data, code to
retrieve and modify it, and web pages to collect and summarize it. This is the first tutorial in a lengthy series
that will explore techniques for implementing these common patterns in ASP.NET 2.0. We'll start with creating
a software architecture composed of a Data Access Layer (DAL) using Typed DataSets, a Business Logic Layer
(BLL) that enforces custom business rules, and a presentation layer composed of ASP.NET pages that share a
common page layout. 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 stepbystep instructions with plenty of screen shots to walk you through the process visually. Each
tutorial is available in C# and Visual Basic versions and includes a download of the complete code used. (This
first tutorial is quite lengthy, but the rest are presented in much more digestible chunks.)
For these tutorials we'll be using a Microsoft SQL Server 2005 Express Edition ...
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