ViewState 优化方案
protected override object LoadPageStateFromPersistenceMedium() { var viewStateID = (string)((Pair)base.LoadPageStateFromPersistenceMedium()).Second; var stateStr = (string)Cache[viewStateID]; if (stateStr == null) { var fn = Path.Combine(this.Request.PhysicalApplicationPath, @"App_Data/ViewState/" + viewStateID); stateStr = File.ReadAllText(fn); } return new ObjectStateFormatter().Deserialize(stateStr); } protected override void SavePageStateToPersistenceMedium(object state) { var value = new ObjectStateFormatter().Serialize(state); var viewStateID = (DateTime.Now.Ticks + (long)this.GetHashCode()).ToString(); //产生离散的id号码 var fn = Path.Combine(this.Request.PhysicalApplicationPath, @"App_Data/ViewState/" + viewStateID); ThreadPool.QueueUserWorkItem(obj => File.WriteAllText(fn, value)); Cache.Insert(viewStateID, value); base.SavePageStateToPersistenceMedium(viewStateID); }
将代码放入Basepage. 然后去处理页面viewstate的存放,文件,或者文件型数据库,或者缓存服务器