Example: Setting a CSS Property For a Group of Objects

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Suppose, you want to provide some TextColumnControl objects on a web page with specific style characteristics. For example, you want a red background for all mandatory fields.

To implement this:

1. Group all required TextColumnControl objects within a new Group1 group object. See "How to Group Objects".
2. For the new Group1 object, set the Id property to: RedColorGroup.
3. Define the style sheet rule:

#RedColorGroup input.ColumnControl {

   background-color: red


This style sheet rule specifies that within the HTML element with ID: RedColorGroup, all input elements that belong to the ColumnControl class (all actual text boxes) get a red background color.

This style sheet rule is an example of a contextual selector.