ext store

var mpCsncm = new Ext.grid.ColumnModel([
   {header: '节点名称',width: 150,sortable: false,dataIndex: 'name'}]);
var mpCsnstore = new Ext.data.Store({
proxy : new Ext.data.DWRProxy({
fn : mpCsnAction.pageMpCsns
}),
reader : new Ext.data.JsonReader({
remoteSort : true,
root : 'pageResults',
totalProperty : 'totalCount',
fields : [
    {name : 'id',type: 'int'}
]
}),
listeners:{
'load' : function(sthis, records, option){
if (records.length != 0){
Ext.getCmp('mpCsngrid').getSelectionModel().selectFirstRow();
}else{
Ext.getCmp('mpCspGrid').getStore().removeAll();
}
}
}
});