//PostBackTrigger trigger = new PostBackTrigger();
//trigger.ControlID = Button2.UniqueID;
//UpdatePanel1.Triggers.Add(trigger);
转载于:https://www.cnblogs.com/mrray/archive/2010/12/20/1911424.html
//PostBackTrigger trigger = new PostBackTrigger();
//trigger.ControlID = Button2.UniqueID;
//UpdatePanel1.Triggers.Add(trigger);
转载于:https://www.cnblogs.com/mrray/archive/2010/12/20/1911424.html