document.onkeydown = function(){
if (event.keyCode == 116) {
event.keyCode=0;
event.returnValue=false;
//請求Grid網格數據 不過好像win+R也能刷新哦
//大家可以去設斷點調試看看 Even.KeyCode編碼留個大家想
}
}

document.onkeydown = function(){
if (event.keyCode == 8) {
if((event.srcElement.nodeName != "INPUT" && event.srcElement.nodeName != "TEXTAREA") || event.srcElement.readOnly == true)
{
event.cancelBubble = true;
return false;
}
}
}

.x-grid-record-red table{
color:#FF0000 ;
}

.x-grid-record-red tabel{
font-weight: bolder ;
}

'rowdblclick':function(grid,i){
grid.store.data.items[i]。set('isread','2')；//1未讀 2已讀
}