ASP.NET CheckBox Control

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# ASP.NET CheckBox Control

Web Server Controls

## Definition and Usage

The CheckBox control is used to display a check box.

## Properties

Property | Description | .NET
--- | --- | ---
AutoPostBack | Specifies whether the form should be posted immediately after the Checked property has changed or not. Default is false | 1.0
CausesValidation | Specifies if a page is validated when a Button control is clicked | 2.0
Checked | Specifies whether the check box is checked or not | 1.0
InputAttributes | Attribute names and values used for the Input element for the CheckBox control | 2.0
LabelAttributes | Attribute names and values used for the Label element for the CheckBox control | 2.0
runat | Specifies that the control is a server control. Must be set to "server" | 1.0
Text | The text next to the check box | 1.0
TextAlign | On which side of the check box the text should appear (right or left) | 1.0
ValidationGroup | Group of controls for which the Checkbox control causes validation when it posts back to the server | 2.0
OnCheckedChanged | The name of the function to be executed when the Checked property has changed |

## Web Control Standard Properties

AccessKey, Attributes, BackColor, BorderColor, BorderStyle, BorderWidth, CssClass, Enabled, Font, EnableTheming, ForeColor, Height, IsEnabled, SkinID, Style, TabIndex, ToolTip, Width

For a full description, go to Web Control Standard Attributes.

## Control Standard Properties

AppRelativeTemplateSourceDirectory, BindingContainer, ClientID, Controls, EnableTheming, EnableViewState, ID, NamingContainer, Page, Parent, Site, TemplateControl, TemplateSourceDirectory, UniqueID, Visible

For a full description, go to Control Standard Attributes.

## Example

Checkbox
Declare two TextBox controls and one CheckBox control in an .aspx file. Then create an event handler for the CheckedChanged event to copy the contents of a text box containing the home phone of a customer into a text box that contains the work phone.

Web Server Controls

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