private WebControl getIconButton()
{
var parent = new EwfLabel {
CssClass = "fa-stack datetimepickerIcon"
};
var iconCal = new FontAwesomeIcon("fa-calendar-o", "fa-stack-2x");
var iconTime = new FontAwesomeIcon("fa-clock-o", "fa-stack-1x");
iconTime.Style.Add(HtmlTextWriterStyle.Position, "relative");
iconTime.Style.Add(HtmlTextWriterStyle.Top, ".20em");
parent.AddControlsReturnThis(iconCal, iconTime);
var style = new CustomActionControlStyle(control => control.AddControlsReturnThis(parent));
return(new CustomButton(() => "$( '#{0}' ).datetimepicker( 'show' )".FormatWith(textBox.TextBoxClientId))
{
ActionControlStyle = style,
CssClass = "icon"
});
}