ASP.NET RadioButton control
Web server control Definition and Usage
RadioButton control to display radio button.
Tip: To create a set of radio buttons using data binding, use the RadioButtonList control!
Attributes
| 属性 | 描述 |
|---|---|
| AutoPostBack | 布尔值，规定在 Checked 属性被改变后，是否立即回传表单。默认是 false。 |
| Checked | 布尔值，规定是否选定单选按钮。 |
| id | 控件的唯一 id。 |
| GroupName | 该单选按钮所属控件组的名称。 |
| OnCheckedChanged | 当 Checked 属性被改变时，被执行的函数的名称。 |
| runat | 规定该控件是服务器控件。必须设置为 "server"。 |
| Text | 单选按钮旁边的文本。 |
| TextAlign | 文本应出现在单选按钮的哪一侧（左侧还是右侧）。 |
Examples
Radiobutton
In this case, we have declared three RadioButton control in an .aspx file, a Button control, and one Label control. When the submit button is triggered, the submit subroutine. submit subroutine will respond in three ways: if with id = "red" radiobutton property is selected, the server sends a message "You selected Red" to the Label control; if with id = "green" radiobutton property is selected, the server sends a message "You selected Green" to the Label control; if with id = "blue" radiobutton property is selected, the server sends a message to the Label controls "You selected Blue".
Web server control