SelectedIndex - The AccordionPane to be initially visible HeaderCssClass - Name of the CSS class to use for the headers. This can be either applied to the Accordion as a default for all AccordionPanes, or an individual AccordionPane. ContentCssClass - Name of the CSS class to use for the content. This can be either applied to the Accordion as a default for all AccordionPanes, or an individual AccordionPane. FadeTransitions - True to use the fading transition effect, false for standard transitions. TransitionDuration - Number of milliseconds to animate the transitions FramesPerSecond - Number of frames per second used in the transition animations AutoSize - Restrict the growth of the Accordion. The values of the AutoSize enumeration are described above. Panes - Collection of AccordionPane controls

SelectedIndex - The AccordionPane to be initially visible HeaderCssClass - Name of the CSS class to use for the headers. This can be either applied to the Accordion as a default for all AccordionPanes, or an individual AccordionPane. ContentCssClass - Name of the CSS class to use for the content. This can be either applied to the Accordion as a default for all AccordionPanes, or an individual AccordionPane. FadeTransitions - True to use the fading transition effect, false for standard transitions. TransitionDuration - Number of milliseconds to animate the transitions FramesPerSecond - Number of frames per second used in the transition animations AutoSize - Restrict the growth of the Accordion. The values of the AutoSize enumeration are described above. Panes - Collection of AccordionPane controls