Feature Layer Query Error

joepublic — Tue, 14 Oct 2014 00:06:14 GMT

I'm trying to understand how to query a feature layer and getting the following error:

ReferenceError {stack: "ReferenceError: Query is not defined↵ at http:/… at d (http://js.arcgis.com/3.10/init.js:74:10)",

message: "Unable to draw graphic (geometry:null, symbol:null): Query is not defined"}

message: "Unable to draw graphic (geometry:null, symbol:null):

Query is not defined" stack: "ReferenceError: Query is not defined↵ at http://tobagoborn.com/esri/examples/exam1.html:40:24↵ at null. (http://js.arcgis.com/3.10/init.js:777:175)↵ at h.(anonymous function).g

[as onLoad] (http://js.arcgis.com/3.10/init.js:239:390)↵ at v (http://js.arcgis.com/3.10/js/esri/layers/FeatureLayer.js:24:225)↵

at S._forceIdentity (http://js.arcgis.com/3.10/js/esri/layers/FeatureLayer.js:50:338)↵ at S._initLayer (http://js.arcgis.com/3.10/js/esri/layers/FeatureLayer.js:25:72)↵

at Object. (http://js.arcgis.com/3.10/init.js:174:23)↵ at http://js.arcgis.com/3.10/init.js:630:478↵

at c (http://js.arcgis.com/3.10/init.js:74:221)↵ at d (http://js.arcgis.com/3.10/init.js:74:10)"

Script below:......

<html>

<head>

<title>Basic Example 1</title>

var countries;

var buttonPicked;

var buttonType;

var countryCode = [];

var map, featureLayer, relatedTable;

var featureURL = "http://dev.consciousglobalchange.org/arcgis/rest/services/MEP/webmap_catalog/FeatureServer/0";

function countries()

{

require(["esri/map",

"esri/layers/FeatureLayer",

"esri/tasks/query",

"dojo/domReady!"

], function(Map,FeatureLayer)

{

map = new Map("mapDiv",

{

center: [-56.049, 38.485],

zoom: 3,

basemap: "streets"

});

var featureLayer = new FeatureLayer(featureURL,

{

outFields: ["*"]

});

featureLayer.on("load", function ()

{

var cntryq = new Query();

cntryq.outFields = ["*"];

cntryq.where = "UN = " + 840; //332

countries.queryFeatures(cntryq, function(featureSet)

{

var data = featureSet.features;

console.log(data);

});

}); //end of on

//map.addLayer(featureLayer);

}); //end require

}

countries();

</script>

</head>

<body>

</body>

</html>

Re: Feature Layer Query Error

joepublic — Tue, 14 Oct 2014 12:33:57 GMT

Figured it out!!

Needed to include the Query keyword in the function after the require array

topic Feature Layer Query Error in ArcGIS JavaScript Maps SDK Questions

Feature Layer Query Error

Re: Feature Layer Query Error