Sams Teach Yourself ASP.NET 4 in 24 Hours: Complete Starter Kit

Hour 17. Working with Data-Bound DropDownLists, RadioButtons, and CheckBoxes

In this hour, we will cover

• Populating the items of a drop-down list from the results of a database query

• Creating check boxes and radio buttons based on the results of a database query

• Using the DropDownList control to filter the contents displayed in a GridView

• The benefits of using database information versus hard-coding drop-down list, check box, and radio button values

As we’ve seen over the past three hours, the data source controls enable us to easily work with database data. We simply specify what table and columns to retrieve with and whether to generate corresponding INSERT, UPDATE, and DELETE statements. When a data source control has been properly ...