Latest Contributions by ReneRubalcava

If the two datagrids are in the same widget and you have already called the webservice once to pull all the related data in the second widget, you could use a filter function on the source for the second datagrid that would change based on what is selected in the first datagrid. something likethis pseudocode [Bindable] protected var mySource:ArrayCollection; protected var content:String; <mx:DataGrid id="dg1" itemClick="datagrid1_itemClickHandler(event)"/> <mx:DataGrid id="dg2" dataProvider="{mySource}" /> // filter protected function datagrid1_itemClickHandler(event:ListEvent):void { content = event.currentTarget.selectedItem["fieldname']; mySource.filterFunction = filterData; mySource.refresh(); } // this should work, may have to play with it protected function filterData(item:Object):Boolean { var target:String = "fieldname"; var key:String = String(item[target]).toLowerCase(); return key.indexOf(content) != -1; } This way you don't need to send constant requests to a web service. If I'm understanding you right, this could be one way to go about it. ... View more

Using a FeatureLayer the way I think you're intending, you would use the definitionExpression of the FL. Check this example. http://help.arcgis.com/en/webapi/flex/samples/index.html?sample=FeatureLayer_Search Another method, that will work the way you have in your post is to use featureLayer.queryFeatures(), which basically sends its params to a queryTask.execute() inside the Featurelayer. ... View more

Aha, that did the trick! Thanks Dasa. ... View more

I think you'll need to listen for the UPDATE_COMPLETE event from the map after turning off the zoom slider. map.addEventListener(FlexEvent.UPDATE_COMPLETE, onUpdateComplete_handler); map.zoomSliderVisible = false; function onUpdateComplete_handler(e:FlexEvent):void { map.removeEventListener(FlexEvent.UPDATE_COMPLETE, onUpdateComplete_handler); createPDF(); } ... View more

I was using the Yahoo astra one, but I started using this one when I moved to Flex 4 http://flashcommander.org/blog/flex-4-autocomplete It works great for me. ... View more

Hi Robert, I just wanted to give you a big thanks. I wanted to make sure it was ok with you that I've added your functions to build the swatches into a function in my flex library in my signature. SwatchFactory I couldn't find an email for you, or I would have just sent one. I put a sample up of how I'm using it in a non-widget capacity. Thanks again. ... View more

Ok, sorry. I got confused reading your earlier posts. Looking at what you have, you actually want to use a WebService, not an HTTPService. You'd use a WebService to send requests to a function and get results. An HTTPService would be used to load something like an XML or Text file. Here is an example of using a WebService with your service. Don't worry about converting to XML unless that's your thing. <?xml version="1.0" encoding="utf-8"?> <s:Application xmlns:fx="http://ns.adobe.com/mxml/2009"       xmlns:s="library://ns.adobe.com/flex/spark"       xmlns:mx="library://ns.adobe.com/flex/mx"       minWidth="955"       minHeight="600"       applicationComplete="init()"> <fx:Declarations>   <!-- Place non-visual elements (e.g., services, value objects) here --> </fx:Declarations> <fx:Script>   <![CDATA[    import mx.collections.ArrayCollection;    import mx.controls.Alert;    import mx.rpc.events.FaultEvent;    import mx.rpc.events.ResultEvent;    import mx.rpc.soap.mxml.WebService;       protected var service:WebService;       protected function init():void {     service = new WebService();     service.showBusyCursor = true;     service.wsdl = "http://data.cmap.illinois.gov/ws/tip/tipservice.asmx?wsdl";     service.addEventListener(ResultEvent.RESULT, onResultsLoaded_handler);     service.addEventListener(FaultEvent.FAULT, onFault_handler);     service.loadWSDL();    }       protected function onFault_handler(event:FaultEvent):void {     Alert.show("Error in calling service: " + event.message, "Error");    }       protected function onResultsLoaded_handler(event:ResultEvent):void {     try {      dgResults.dataProvider = event.result as ArrayCollection;     }     catch (e:Error) {      Alert.show("An error occurred loading results: " + e.message, "Results error");     }    }          protected function btnRequest_clickHandler(event:MouseEvent):void {         service.getproject(input.text);    }   ]]> </fx:Script> <s:layout>   <s:VerticalLayout gap="5"         horizontalAlign="center"         paddingTop="25" /> </s:layout> <s:TextInput id="input"      width="200" /> <s:Button id="btnRequest"      label="Send Request"      width="200"      click="btnRequest_clickHandler(event)" /> <mx:DataGrid id="dgResults"      width="800"      height="300" /> </s:Application> Now as far as how this relates to the example you linked in your first post, the above will get you the ArrayCollection of results you were looking for in your first post. Now you can use those results to create a "where" query on your map service. ... View more

Thanks for doing the leg work on this one Robert. I'm incorporating/tweaking your methods to create swatches into a current layer visibility component I have. Writing up/debugging those renderer symbols must have taken you forever. ... View more

Try this You can go XML -> Array or ArrayCollection Don't forget to set your result format. service.resultFormat = "e4x"; var xml:XML = event.result as XML; var items:Array = []; for each (var queryXML:XML in xml.tipProject) { var obj:Object = { project:queryXML.@project, agency:queryXML.@agency // and so on adding the fields you want } items.push(obj); } You can also turn it into an XMLListCollection var xmlListCollection:XMLListCollection = new XMLListCollection(); xmlListCollection.source = new XMLList( event.result ); You can then treat the XMLListCollection like an ArrayCollection When dealing with an HTTPService, your results are easy to parse in XML, I never used ArrayCollection with an HTTPService result, but I think the event.result object is xml by default. ... View more

An example of the .NET web service accessing an SDE could look something like this [WebMethod(Description = "Returns Flow Control History Details")] public DataTable FlowControlHistory(String objectID) { DataTable FlowTable = new DataTable(); System.Data.OleDb.OleDbConnection connection = new System.Data.OleDb.OleDbConnection("<your connection string here>"); connection.Open(); // build a sql expression to access your database data // using a passed OBJECTID from a feature in flex string strSQL = "SELECT DISTINCT t1.FLOWID " +      "FROM sde.SSCOMPLEXFLOWCONTROLHISTORY as t1 " +      "WHERE t1.OBJECTID = '" + objectID + "' " +      "UNION " +      "SELECT DISTINCT t2.FLOWID " +      "FROM sde.SSFLOWCONTROLHISTORY as t2 " +      "WHERE t2.OBJECTID = '" + objectID + "' " +      "ORDER BY FLOWID; System.Data.OleDb.OleDbDataAdapter Adapter = new System.Data.OleDb.OleDbDataAdapter(strSQL, connection); Adapter.Fill(FlowTable); try {   FlowTable.TableName = "Table"; } finally {   connection.Close(); } return FlowTable; } Then in Flex, you'd do something like this. protected var service:WebService; protected var retry:uint = 0; // send your Web Service WSDL to define a web service public function setWsdl(value:String):void { service = new WebService(); service.showBusyCursor = true; service.wsdl = value; service.addEventListener(FaultEvent.FAULT, WsdlFault, false, 0, true); service.loadWSDL(); } protected function onWsdlFault(fault:FaultEvent, token:Object = null):void { // I always try to load a web service twice if I get a load error. // Just in case, my network can laugh at me sometimes retry++; if (retry < 2)   service.loadWSDL(); else {   service.removeEventListener(FaultEvent.FAULT, WsdlFault);   Alert.show("A Web Service has failed to load. Please close the application and try again.", "Error"); } } // function that will call my web service public function findRelatedFlowData(objectID:String):void { var responder:AsyncResponder = new AsyncResponder(onFlowDataResults, onFault); var request:AsyncToken = service.FlowControlHistory(objectID); request.addResponder(responder); } proteced function onFlowDataResults(result:ResultEvent, token:Object = null):void { var ac:ArrayCollection = result.result.Tables.Table.Rows; // do something with results here } protected function onFault(fault:FaultEvent, token:Object = null):void { // I always try to load a web service twice. Alert.show("A Web Service error has occurred.", "Error"); } This has always worked for me, plus by using C# or VB.NET you get a bit more control over your query. The relates in the ESRI API are still great and I use them for large data dumps, but I still have a lot of these unique queries of my SDE. ... View more

** edit, just saw that last comment you posted above. In my experience, a Web Service is quick, easy and usually a great tool for accessing external data. You could create a web service using a .NET flavor of your choice that will query your SDE or any other db to simulate your relate. Pass it a name, id, whatever. It may be a little slow depending on size of results. I've used this method for a couple of years and it works fine. Typical method for above scenario. Select graphic on map (you could also do this after getting Identify results if you'd like) Pass attribute field value to web service Use service response to populate List/DataGrid A web service is pretty simple to set up in .NET and the code is pretty easy http://msdn.microsoft.com/en-us/library/8wbhsy70.aspx Simplest route is to return a DataTable and in flex that will be returned as an ArrayCollection that will look like event.result.Tables.<TableNameHere>.Rows A benefit of doing the queries this way is that you can perform any JOINS/UNIONS or changing of field names that you may want to pass to your application to make things easier on yourself. ... View more

Relates won't work with 9.3.1 as the relationship is not recognized via the REST service. ... View more

Widget is just another name for Module. The BaseWidget class that ESRI uses in FlexViewer extends Module and adds custom fields used in FlexViewer to pass data around. So if you are looking for info on Modules in general, look up how to work with Flex Modules, loading and unloading. This will help you figure out what is happening with widgets in FlexViewer. I don't think the FlexViewer unloads the widgets when they are closed. I think they get saved to a Dictionary object. ... View more