說是extaspnet實現(xiàn)右下角彈消息框，其實就是純extjs,baidu搜索一大堆代碼

咱只是搬過來直接用，談不上原創(chuàng)

廢話少說，上代碼，在頁面前端加入這段JS代碼

    <script type="text/javascript">               
    Ext.ns('MyLib');

    ;(function($) {
        //新建window組，避免被其它window影響顯示在最前的效果
        var tipsGroupMgr = new Ext.WindowGroup();
        tipsGroupMgr.zseed=99999; //將小貼士窗口前置

        $.TipsWindow = Ext.extend(Ext.Window, {
        width:200,
        height:150,
        layout:'fit',
        modal : false,
        plain: true,
        shadow:false, //去除陰影
        draggable:false, //默認(rèn)不可拖拽
        resizable:false,
        closable: true,
        closeAction:'hide', //默認(rèn)關(guān)閉為隱藏
        autoHide:3, //n秒后自動隱藏，為false時,不自動隱藏
        manager: tipsGroupMgr, //設(shè)置window所屬的組
        constructor: function(conf){
            $.TipsWindow.superclass.constructor.call(this, conf);
            this.initPosition(true);
        },
        initEvents: function() {
            $.TipsWindow.superclass.initEvents.call(this);
            //自動隱藏
            if(false !== this.autoHide){
                var task = new Ext.util.DelayedTask(this.hide, this), second = (parseInt(this.autoHide) || 3) * 1000;
                this.on('beforeshow', function(self) {
                    task.delay(second);
                });
            }
            this.on('beforeshow', this.showTips);
            this.on('beforehide', this.hideTips);

            Ext.EventManager.onWindowResize(this.initPosition, this); //window大小改變時，重新設(shè)置坐標(biāo)
            Ext.EventManager.on(window, 'scroll', this.initPosition, this); //window移動滾動條時，重新設(shè)置坐標(biāo)
        },
        //參數(shù): flag - true時強(qiáng)制更新位置
        initPosition: function(flag) {
            if(true !== flag && this.hidden){ //不可見時，不調(diào)整坐標(biāo)
                return false;
            }
            var doc = document, bd = (doc.body || doc.documentElement);
            //ext取可視范圍寬高(與上面方法取的值相同), 加上滾動坐標(biāo)
            var left = bd.scrollLeft + Ext.lib.Dom.getViewWidth()-4-this.width;
            var top = bd.scrollTop + Ext.lib.Dom.getViewHeight()-4-this.height;
            this.setPosition(left, top);
        },
        showTips: function() {
            var self = this;
            if(!self.hidden){return false;}

            self.initPosition(true); //初始化坐標(biāo)
            self.el.slideIn('b', {
                callback: function() {
                    //顯示完成后,手動觸發(fā)show事件,并將hidden屬性設(shè)置false,否則將不能觸發(fā)hide事件
                    self.fireEvent('show', self);
                    self.hidden = false;
                }
            });
            return false; //不執(zhí)行默認(rèn)的show
        },
        hideTips: function() {
            var self = this;
            if(self.hidden){return false;}

            self.el.slideOut('b', {
                callback: function() {
                    //漸隱動作執(zhí)行完成時,手動觸發(fā)hide事件,并將hidden屬性設(shè)置true
                    self.fireEvent('hide', self);
                    self.hidden = true;
                }
            });
            return false; //不執(zhí)行默認(rèn)的hide
        }
        });
        })(MyLib);
   
   
        function showmsg(title,content)
        {
            var tipw = new MyLib.TipsWindow({ 
                                            title:title, 
                                            autoHide:5, //5秒自動關(guān)閉 
                                            html:content
                                            }); 
            tipw.show();
        }
                   
    </script>

調(diào)用代碼，后臺C#

效果圖:

這個是彈在最上方的window,不受框架影響，5秒后消失，好了，收工