Data Source Controls in ASP.NET 2.0

摘要

ASP.NET 2.0 introduces a series of new tools that improve data access including several data source and data bound controls. The new assortment of data source controls can eliminate a ton of repetitive code that was required in ASP.NET 1.x For example, you can easily associate SQL statements or stored procedures with data source controls and bind them to data bound controls. Even more impressive, the ObjectDataSource control allows you to take advantage of the simplified development and reduction of code but still allows you to abstract your business and data access logic in separate tiers of your n-tiered architecture. Before.NET, building data grids with traditional ASP often required you to write a lot of code to build an HTML table on the fly while looping through an ADO Recordset. ASP.NET 1 .x made this type of development easier by allowing you to bind an XML-based DataSet to the ASP.NET DataGrid control. This reduced the code required to generate the grid. However, both traditional ASP and ASP.NET 1.x require code to implement paging, sorting, editing and row-selection features. With the improvements in ASP.NET 2.0, this code can be significantly reduced to produce a data-filled grid with full paging, sorting, and editing features.