ASP.NET CheckBoxList Control
 Complete Web Control Reference
Definition and Usage
The CheckBoxList control is used to create a multi-selection check box group.
Each selectable item in a CheckBoxList control is defined by a ListItem element!
Tip: This control supports data binding!
Properties
| Property |
Description |
.NET |
| CellPadding |
The amount of pixels between the border and the contents of
the table cell |
1.0 |
|
CellSpacing |
The amount of pixels between table cells |
1.0 |
| RepeatColumns |
The number of columns to use when displaying the check box
group |
1.0 |
| RepeatDirection |
Specifies whether the check box group should be repeated
horizontally or vertically |
1.0 |
| RepeatLayout |
The layout of the check box group |
1.0 |
| runat |
Specifies that the control is a server control. Must
be set to "server" |
1.0 |
| TextAlign |
On which side of the check box the text should appear |
1.0 |
ListControl Standard Properties
|
AppendDataBoundItems, AutoPostBack, CausesValidation,
DataTextField, DataTextFormatString, DataValueField, Items, runat,
SelectedIndex, SelectedItem, SelectedValue, TagKey, Text,
ValidationGroup, OnSelectedIndexChanged |
The ListControl control covers all the base functions for list controls.
Controls that inherits from this control include the CheckBoxList, DropDownList,
ListBox, and RadioButtonList controls.
For a full description, go to ListControl
Standard Attributes.
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.
Examples
CheckBoxList
In this example we declare one CheckBoxList
control in an .aspx file. Then we create an event handler for the SelectedIndexChanged event. The
selectable list contains six check boxes. When a user checks one of the boxes,
the page is immediately posted back to the server, and the Check subroutine is
executed. The subroutine loops through the control's Items collection and tests
each item's Selected property. The selected items are then displayed in the
Label control.
Complete Web Control Reference
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