1.css.datagrid-mask-msg {  position: absolute;  top: 50%;  margin-top: -20px;  padding: 12px 5px 10px 30px;  width: auto;  height: 16px;  border-width: 2px;  border-style: solid;  display: none;}2. js this. WaitMessage2Position=function(msg, jqobj) {        $("
     
").css({ display: "block", width: "100%", height: jqobj.height() }).appendTo(jqobj);        $("
     
").html(msg).appendTo(jqobj).css({            display: "block",            left: (jqobj.outerWidth(true)) / 2, top: (jqobj.outerHeight(true)+390) / 2        });    }    this. RemoveWaitMessage2Position=function(jqobj) {        jqobj.find(".datagrid-mask").remove();        jqobj.find(".datagrid-mask-msg").remove();    }3.调用 DataGrid.WaitMessage2Position("正在加载中，请稍候。。", $("#home"));4.移除DataGrid.RemoveWaitMessage2Position($("#home"));