ASP.NET's New LinqDataSource Control Simplifies Data Access
The LinqDataSource control gives your applications native .NET object mapping to back-end data stores, unifying data access and reducing the need for store-specific coding.
by Thiru Thangarathinam
February 13, 2008
ny user-centric application you write will require some sort of data integration—at minimum, you'll need to retrieve some data and display it in the user interface. Often, applications must retrieve data from multiple sources, such as memory collections, relational databases, XML files, and so on. Previous versions of the .NET Framework made getting to this data tedious, and required familiarity with multiple data access technologies and XML APIs.
Even worse, developers had to learn different ways of querying all these data sources: SQL for databases, XQuery for XML, LDAP queries for Active Directory, etc. In short, until now, the data access story has lacked a unified approach to accessing data from disparate data sources. That's exactly the problem Microsoft intends the LINQ (Language INtegrated Query) family of technologies to solve. LINQ provides a much more unified developer interface for querying data.
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ny user-centric application you write will require some sort of data integration—at minimum, you'll need to retrieve some data and display it in the user interface. Often, applications must retrieve data from multiple sources, such as memory collections, relational databases, XML files, and so on. Previous versions of the .NET Framework made getting to this data tedious, and required familiarity with multiple data access technologies and XML APIs.
