Asp.net checkBoxList Control is used to select multiple listitems in CheckBoxList.

<asp:CheckBoxList ID=”CheckBoxList1″ runat=”server”>
<asp:ListItem>Apples</asp:ListItem>
<asp:ListItem>Grapes</asp:ListItem>
<asp:ListItem>Bananas</asp:ListItem>
<asp:ListItem>Mangos</asp:ListItem>
<asp:ListItem>Oranges</asp:ListItem>
<asp:ListItem>Cocoa</asp:ListItem>
<asp:ListItem>CustardApple</asp:ListItem>
<asp:ListItem>Breadfruit</asp:ListItem>
</asp:CheckBoxList>

Properties of CheckBoxList

RepeatColumns: The number of columns used to layout the items
* By default CheckBoxList contain one column
Ex: RepeatColumns =2 then it shows 2 columns

RepeatDirection: The direction in which items are laid out

RepeatDirection= horizontal/vertical

cellpadding: The padding between each item.

cellspacing: The spacing between each item.

Items: adding collection of items in the list.

Dynamically add checkBoxList items at runtime

CheckBoxList1.Items.Add(”Games”);
CheckBoxList1.Items.Add(”Movies”);

…..

…..

Asp.net CheckBoxList Scrollbar

step1: Drag Panel control and checkBoxList

change Panel control properties

ScrollBars=”Vertical”
Width=”250px”
Height=”80px”

Note: Width and height are main important to make scrollbars in panel

Step2: insert checkBoxlist control inside panel control

Sample Code:

<asp:Panel ID=”Panel1” runat=”server” BorderColor=”#CACACA” BorderStyle=”Solid”
BorderWidth=”1px” Height=”80px” ScrollBars=”Vertical” Width=”250px”>

<asp:CheckBoxList ID=”CheckBoxList1″ runat=”server” RepeatColumns=”2″>
<asp:ListItem>Apples</asp:ListItem>
<asp:ListItem>Grapes</asp:ListItem>
<asp:ListItem>Bananas</asp:ListItem>
<asp:ListItem>Mangos</asp:ListItem>
<asp:ListItem>Oranges</asp:ListItem>
<asp:ListItem>Oranges</asp:ListItem>
<asp:ListItem>Cocoa</asp:ListItem>
<asp:ListItem>CustardApple</asp:ListItem>
<asp:ListItem>Breadfruit</asp:ListItem>
</asp:CheckBoxList>

</asp:Panel>

Happy coding…