RE: [flexcoders] How to populate an attribute value in DataGrid control?

Thu, 25 May 2006 12:09:31 -0700

First, the "@" in fornt of all the xml attributes might cause a problem.

Second, The name/value pair structure of your xml is going to be
difficult to work with.  Are you stuck with that structure?

If so you will need to use a labelFunction().  In that you will do
something like:

var sFirstName:String = xmlRecord.data[0].(@@name ==
"lastname").@@value; //that is where those @ signe might cause a
problem.

If you can change the xml format this can be much easier.

Below is a sample app that uses labelFunction on fairly complex xml.

Tracy

<?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"
layout="absolute"
      creationComplete="initApp()">

<mx:Script><![CDATA[
  import mx.controls.dataGridClasses.DataGridColumn;
      private var gXMLDoc:XML;
      private function initApp():void
      {
            gXMLDoc =
        <users>
            <user>
                <username gender="male">Joe</username>
                <useremail>[EMAIL PROTECTED]</useremail>
                <location id="001">
                     <city>Bedford</city>
                     <state>MA</state>
                </location>
            </user>
            <user>
                <username gender="female">Maggie</username>
                <useremail>[EMAIL PROTECTED]</useremail>
                <location id="002">
                     <city>Lexington</city>
                     <state>MA</state>
                </location>
            </user>
        </users>
    dg1.dataProvider = gXMLDoc.user;
      }//initApp
     
      private function lfnGeneral(item:Object,
column:DataGridColumn):String
      {
        var sLabel:String = ""
        var sHeaderText:String = column.headerText
        switch (sHeaderText)  {
          case "Name":
            sLabel = item.username;
            break;
          case "Email":
            sLabel = item.useremail;
            break;
          case "City":
            sLabel = item.location.city;
            break;
          case "State":
            sLabel = item.location.city;
            break;
          case "Gender":
            sLabel = [EMAIL PROTECTED];
            break;                                               
        }

        return sLabel;
      }//lfGeneral

]]></mx:Script>

      <mx:DataGrid id="dg1" labelFunction="lfnGeneral">
   <mx:columns>
      <mx:Array>
         <mx:DataGridColumn headerText="Name" />
         <mx:DataGridColumn headerText="Email" />
         <mx:DataGridColumn headerText="City" />
         <mx:DataGridColumn headerText="State" />
         <mx:DataGridColumn headerText="Gender" />
         </mx:Array>
      </mx:columns>
   </mx:DataGrid>
</mx:Application>



-----Original Message-----
From: [email protected] [mailto:[EMAIL PROTECTED] On
Behalf Of flexnewbie
Sent: Thursday, May 25, 2006 2:47 PM
To: [email protected]
Subject: [flexcoders] How to populate an attribute value in DataGrid
control?

I can't figure out how to populate the "First Name" and "Last Name",
please help!

For Example,
XML:
<records>
<record>
<data @name="firstname" @value="My_FirstName1">
<data @name="lastname" @value="My_LastName1">
</record>
<record>
<data @name="firstname" @value="My_FirstName2">
<data @name="lastname" @value="My_LastName2">
</record>
</records>

Source Code:
<mx:DataGrid id="feedRequest"
dataProvider="{feedRequest.result.records.record}">
<mx:DataGridColumn headerText="FirstName" dataField="" />
<mx:DataGridColumn headerText="LastName" dataField="" />
</mx:DataGrid>









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