RadControls for ASP.NET AJAX
The RibbonBarButtonStrip has a few important properties, which are listed below:
Text is the string that the user sees displayed on the RibbonBarButtonStrip.
ToolTip is the text of the tooltip that appears when the user hovers the mouse over the button.
Setting the tooltip can enable an accessibility feature: Special accessibility readers like JAWS can pronounce the tooltip of the highlighted item.
CssClass is the name of a CSS style to be applied to the RibbonBarButtonStrip. The style can be declared in the CSS file of the applied skin.