datatable 跨页选择

if (record) {
	var select= record.getValue("select");
	var flowProjectId = record.getValue("flowProjectId");
	if (select == true) {
		//alert("是否存在:"+idMap.containsKey(flowProjectId));
		if(idMap.containsKey(flowProjectId)==true){
			//alert(record);
		}else{
		   idMap.put(flowProjectId,flowProjectId);
		   //alert(flowProjectId);
		   //alert(flowProjectId);
		}
	}else{
		if(idMap.containsKey(flowProjectId)==true){
		   idMap.remove(flowProjectId);
		}
	}
}

 

datasetFile.disableControls();
try {
	var r= datasetFile.getFirstRecord();
	while(r){
		var flowProjectId=r.getValue("flowProjectId");
		if(idMap.containsKey(flowProjectId)==true){
			r.setValue("select",true);
		}
		r=r.getNextRecord();
	}
}finally {
	datasetFile.enableControls();
	datasetFile.refreshControls();
}