I am trying to create some applications where users can add markers to
a map and then store the latitude and longitude of the marker in a
database. I am using the saveData function from the "From Infowindow
to Database" example but I run into a problem with the first two lines
of the saveData function. I get an error stating that "marker" is an
undefined property. I create the marker in the onMapClick function,
how can I access the lat/lng values of the marker in the saveData
function? Should the function creating the marker return a value
instead of void?  The saveData function is adding values from the
comboBox and the description field to the Mysql database. I am very
new to Actionscript and would appreciate a newbie type answer.

Thanks,

Dan

Link to app with view source enabled.  I had to comment out the
problem code in the saveData function and add code in the saveData
function declaring lat and lng as variables in order to export the
swf.

http://www.wisswork.com/carbreak2.html

Code is below:

<?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml";
xmlns:map="com.google.maps.*" xmlns:flexlib="flexlib.controls.*"
         layout="absolute" width="100%" height="100%" viewSourceURL="srcview/
index.html">


<mx:Script>
        <![CDATA[
                 import mx.controls.Alert;
        ]]>
</mx:Script>






<mx:HBox height="100%" width="100%">



<mx:Panel id="reportProblem"
        title="Report Car Break-in"
        height="100%"
        width="100%"
        paddingBottom="5"
        paddingLeft="5"
        paddingRight="5"
        paddingTop="5"
        fontFamily="Verdana"
        horizontalAlign="left"
        verticalAlign="top"
        fontSize="10">
        <mx:Form id="carBreakIn1">
                <mx:Label text="Location: Click on map or select parking lot 
from
dropdown menu"
                        fontWeight="bold"
                        paddingTop="10"/>
                <mx:Label text="Parking Lot Location"
                        fontWeight="bold"/>
                        <mx:ComboBox id="park" editable="false" enabled="true">
                                <mx:ArrayCollection>
                                <mx:String>Valley Green Road</mx:String>
                                <mx:String>Wise's Mill Road</mx:String>
                                <mx:String>Valley Green Inn</mx:String>
                        </mx:ArrayCollection>
                        </mx:ComboBox>

            <mx:Form includeInLayout="false" visible="false">
                <mx:FormItem label="Day of week" >
            <mx:TextInput id="day" width="100"/>
        </mx:FormItem>
        <mx:FormItem label="Day of month">
            <mx:TextInput id="date" width="100"/>
        </mx:FormItem>
        <mx:FormItem label="Month">
            <mx:TextInput id="month" width="100"/>
        </mx:FormItem>
        <mx:FormItem label="Year">
            <mx:TextInput id="year" width="100"/>
        </mx:FormItem>
        <mx:FormItem label="Date">
            <mx:TextInput id="wholeDate" width="100"/>
        </mx:FormItem>
            </mx:Form>
                <mx:Text text="Description"/>
                <mx:FormItem id="desc"
                        label="Description:"
                        paddingTop="20"
                        fontWeight="bold"
                        width="100%"
                        required="true">
                        <mx:TextArea id="description" width="100%"
                                height="200"
                                restrict="a-z A-Z \-" />
                </mx:FormItem>


                <mx:Text id="contact"
                        width="100%"
                        text="Please add your contact info if we have additional
questions."
                        fontWeight="bold"
                        paddingTop="20"
                        paddingBottom="10"/>
                <mx:FormItem id="contactName" label="Name:">
                        <mx:TextInput restrict="a-z A-Z \-"/>
                </mx:FormItem>


                <mx:FormItem >
                <mx:Button id="submitBtn" label="Submit"
enabled="true" click="saveData()"/>
            </mx:FormItem>
        </mx:Form>


</mx:Panel>
<mx:Panel title="Wissahickon" width="100%" height="100%"
horizontalAlign="center">
                <map:Map
                        id="map"
        
key="ABQIAAAA7LM75iEnVkcC0EWfpbWivhSVGJuxO4Y265l7a1N7FIWWIgZmihSKvx9HzMW8HDjln2SuFgBQA5jlmQ"
                    mapevent_mappreinitialize="onMapPreinitialize(event)"
                        mapevent_mapready="onMapReady(event)"
                        width="100%" height="100%" />
        </mx:Panel>
</mx:HBox>
  <mx:Script>
        <![CDATA[
        import com.google.maps.controls.ScaleControl;
        import com.google.maps.LatLng;
        import com.google.maps.Map;
        import com.google.maps.MapOptions;
        import com.google.maps.MapEvent;
        import com.google.maps.MapType;
        import com.google.maps.MapTypeOptions
        import com.google.maps.controls.ZoomControl;
        import com.google.maps.controls.ZoomControlOptions;
        import com.google.maps.controls.MapTypeControl;
        import com.google.maps.controls.MapTypeControlOptions;
        import com.google.maps.controls.PositionControl;
        import com.google.maps.controls.PositionControlOptions;
        import com.google.maps.controls.ControlPosition;
        import com.google.maps.interfaces.IMapType;
        import mx.utils.ObjectUtil;
        import com.google.maps.MapMouseEvent;
        import com.google.maps.overlays.Marker;
        import com.google.maps.overlays.MarkerOptions;
        import com.google.maps.InfoWindowOptions;



        private function onMapPreinitialize(event:Event):void {
           var opts:MapOptions = new MapOptions();
           opts.center = new LatLng(40.05659, -75.21888);
           opts.zoom = 14;
           map.setInitOptions(opts);
       }
         private function onMapReady(event:MapEvent):void {
              map.enableScrollWheelZoom();
                  map.enableContinuousZoom();
                  map.addControl(new ZoomControl());
              map.addControl(new ScaleControl());
              map.addControl(new MapTypeControl());
              map.addControl(new PositionControl());
              map.addEventListener(MapMouseEvent.CLICK, onMapClick);
         }

          public function onMapClick(event:MapMouseEvent):void {
                                // add draggable marker to the map
                                var marker:Marker = new Marker(event.latLng, new
MarkerOptions({draggable: true}));

                                         map.addOverlay(marker);
                                         // prevent the addition of multiple 
markers
                    map.removeEventListener(MapMouseEvent.CLICK,
onMapClick);
                                         marker.getLatLng();



          }


    public function saveData():void {

        var lat:Number = marker.getLatLng().lat();
        var lng:Number = marker.getLatLng().lng();
    var name:String = description.text;
    var type:String = park.text;

    var urlRequest:URLRequest = new URLRequest("http://
www.wisswork.com/phpsqlinfo_addrow.php");
    urlRequest.data = "name=" + name + "&type=" + type + "&lat=" + lat
+ "&lng=" + lng;
    urlRequest.method = URLRequestMethod.GET;
    var urlLoader:URLLoader = new URLLoader(urlRequest);
    urlLoader.addEventListener("complete", function(e:Event):void {
       if (urlLoader.data.length <= 1) {
         Alert.show("Successfully added!");

       } else {
            Alert.show("There was an error adding the data :(");
       }
    });
  }

        ]]>
  </mx:Script>
</mx:Application>

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