Layout Properties of ASP.Net RadioButtonList Control

The ASP.Net RadioButtonList control also consists of CSS styles based properties and Layout properties that allow you to change the appearance and rendering behavior of the control. You can change the background color of the control, set the border around the control along with its border color. You can specify the style of the border and its width using CSS units to display the bordered edges of RadioButtonList control. It also provides the properties to customize the font style to display the text content of the list items of the control. You can also use the CSS class styles to customize the look and feel as well as layout of the radiobuttonlist control.

The Layout properties of RadioButtonList control include the following 3 properties:

RepeatColumns: It accepts the integer value that renders the layout of the radiobuttonlist control with specified number of columns. 0 is the default value of RepeatColumns property that renders the list items as a single vertical list of radio button items.

RepeatDirection: It allows you to set the rendering direction of list items of the radiobuttonlist control. RepeatDirection property accepts one of the following predefined values:

1. Horizontal: this value renders the list items in left to right manner. Each item renders at the right side of the previous until it reaches the specified number of RepeatColumns property value. Then it renders the next item in new line or row of the table based on the RepeatLayout property value.

2. Vertical: this value renders the list items in top to bottom manner. Each items renders below the previous item in a new row cell each time. It applies some logic to render the vertical layout of the radiobuttonlist items.

RepeatLayout: It enables you to specify the layout type of the radiobuttonlist control. You can specify the RepeatLayout property using any one of the following predefined keywords:

1. Table: It renders the list items using HTML table element. It generates the table cells and rows to display the radiobuttonlist items using table layout.

2. Flow: It renders the list items using HTML span element as a container and it uses the HTML
tag to enter the line break between the radio button list items to generate new rows.

"Table" is the default value of RepeatLayout property.

Following is a list of CSS based properties of the ASP.Net RadioButtonList control that can be used to customize its look and feel:

BackColor: allows you to set the background color.

BorderColor: allows you to set the border color.

BorderStyle: allows you to set the predefined style of the border around the radiobuttonlist. You can specify the border styles such as solid, dotted, dashed etc.

BorderWidth: allows you to set the width of the border using CSS units such as px, pt, cm etc.

CellPadding: It sets the cell padding for the table cells of the radiobuttonlist control when rendered with RepeatLayout property as "Table".

CellSpacing: It sets the cell spacing for the table cells of the radiobuttonlist control when rendered with RepeatLayout property as "Table".

CssClass: allows you to specify the name of the CSS class to customize the look and feel of radiobuttonlist control.

Font Style Properties: the font style properties of radiobuttonlist include font-size, family, bold, italics etc.

ForeColor: Sets the color of the text content of the listitems

TextAlign: It enables you to set the horizontal alignment of the text aligned to left or right direction.