ASP.NET 4 Unleashed

Using the RadioButton Control

You always use the RadioButton control in a group. Only one radio button in a group of RadioButton controls can be checked at a time.

For example, the page in Listing 2.12 contains three RadioButton controls (see Figure 2.9).

Figure 2.9. Displaying RadioButton.

Listing 2.12. ShowRadioButton.aspx

The RadioButton controls ...