You can add a check box to a Web Forms page in two ways:

By adding a CheckBoxList Web server control and then adding individual list items to the control.

Note
This topic addresses how to add individual CheckBox controls to the page. For information about adding items to a CheckBoxList control, see How to: Add Items in List Web Server Controls.

To add a CheckBox Web server control to a Web Forms page

Add an <asp:CheckBox> element to the page. For syntax, see CheckBox Web Server Control Declarative Syntax.
Specify a caption by setting the Text property.
Optionally, change the orientation of the caption by setting the TextAlign property.

See Also