//connect eventhandlers and submitJob.
function myGPSubmitJob(){ 
    // Connect event handler onJobComplete 
    dojo.connect(gpTask, "onJobComplete",onTaskComplete);
    dojo.connect(gpTask, "onError",onTaskFailure);
    dojo.connect(gpTask, "onStatusUpdate",onTaskStatus);
    //params is assumed as a name-value pair instance of gpparameter values.
    gpTask.submitJob(params);
}

// On Job Complete Callback add a dynamic map service using ResultMapService
function onTaskComplete(jobInfo){
    //replace mapservice url with your url and append jobid
    var mapurl = "http://..../<MyGPServiceName>/MapServer/jobs/" + jobinfo.jobId;
    //create a dynamic map service
    var gpResultLayer = new esri.layers.ArcGISDynamicMapServiceLayer(mapurl, {
                id: "gpLayer",
                opacity: 0.5
            });
    //add to web application.
     map.addLayer(gpResultLayer);
}

// On Job Complete Callback add a featurelayer using ResultMapService
function onTaskComplete(jobInfo){
    //replace mapservice url with your url and append jobid
    var mapurl = "http://..../<MyGPServiceName>/MapServer/jobs/" + jobinfo.jobId;
    //the code snippet assumes the featureLayer is the first layer in the result map service
    var fLayerUrl = mapurl + “/0”;
    
    //create a feature layer 
    //the MODE_ONDEMAND property allows the client to restrictively download features for current web app extent
    var featurelayer=new esri.layers.FeatureLayer(fLayerUrl, {
                id: "gpfLayer",
                mode: esri.layers.FeatureLayer.MODE_ONDEMAND,
                outFields: ["*"]
            });
    map.addLayer(featurelayer);	

    
}