Tuesday, June 8, 2010

Writing a Data Access Layer (DAL) in ADO.NET

Almost every application being developed stores data in some or other form to make it persistent, this could be either storing it in file system, Excel sheet, XML format or in relational database. So each time, when you develop an application, you are required to write code for storing and retrieving data from these data sources.
In this article, I am going to show you how you can create a Data Access Layer (to store, retrieve and manage data in relational database) in ADO .NET. I will show how you can make it data provider independent, so that you don't have to re-write your data access layer if the data storage source changes overtime and also you can reuse it in other applications that you develop. For details, click here.

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