public override void ExecuteResult(ControllerContext context)
{
context.HttpContext.Response.ContentType = ContentType;
if (ResultDocument == null || ResultDocument.Root == null)
{
context.HttpContext.Response.Write(string.Empty);
}
else
{
ResultDocument.ToNullHelper().Branch(
doc => doc.Save(context.HttpContext.Response.Output, SaveOptions.None),
() => { /*if doc doesn't exist, does nothing*/ });
}
}