Preselect an item in an ASP.NET RadioButtonList control
You can let the server decide whether to select a radio button in a RadioButtonList control when the ASP.NET page is loaded in a browser.
Note: Before
you begin, you must insert at least one ASP.NET RadioButtonList
control in your page. You must also define a DataSet or other source
of dynamic content for the radio buttons. Ideally, the source of
content should contain Boolean data, such as Yes/No or true/false.
- In Design view, select the RadioButtonList control.
- In the Property inspector, click List Items.
- Select the From Database option, and set any of the following options: