protected override void AddAttributesToRender(HtmlTextWriter writer)
{
Style.Remove(HtmlTextWriterStyle.Visibility);
if(!ControlStyleCreated && !String.IsNullOrWhiteSpace(CssClass))
writer.AddAttribute(HtmlTextWriterAttribute.Class, CssClass);
if(_useVerticalStripPlacement)
writer.AddStyleAttribute(HtmlTextWriterStyle.Display, "block");
if(!Height.IsEmpty && Height.Type == UnitType.Percentage)
writer.AddStyleAttribute(HtmlTextWriterStyle.Height, Height.ToString());
base.AddAttributesToRender(writer);
writer.AddStyleAttribute(HtmlTextWriterStyle.Visibility, "hidden");
}