public ActionResult DelTopicMethod()
{
int id = Convert.ToInt32(Request["id"]);
ITopicBLL topicBLL = new TopicManager();
Topic topic = topicBLL.LoadEntity(u => u.TopicID == id).FirstOrDefault();
if (topicBLL.DeleteEntity(topic))
{
return(Content("<script>alert('删除成功！');window.location.href='/Home/TopicManager';</script>"));//刷新页面
}
else
{
return(Content("<script>alert('删除失败！');history.go(-1);</script>"));//不刷新退回页面
}
}