I encountered this same thing before. The solution is to use a
labelfunction.
Like this:
Here is the grid column.
<mx:DataGridColumn headerText="Port Country"
labelFunction="myLabelFunction" />
Here is the function which should reside inside the Script tag:
private function myLabelFunction(item:Object, col:DataGridColumn) : String
{
return item.userGroup.name;
}
Give this a try.
Jeremy Sanders
Cardinal Solutions Group.
[EMAIL PROTECTED]
--- In [email protected], "Niko Schmuck" <[EMAIL PROTECTED]>
wrote:
>
> Hi FlexCoders:
>
> Coming from a Java background, I was surprised that the dot operator is
> not working as I expected.
>
> The array with the data structure and children is populated from the
> (Hibernate) data source at creationComplete time with:
>
> ds.fill(users, "all.users", []);
>
> The array collection is declared via:
>
> <mx:ArrayCollection id="users" />
>
> and then used inside the datagrid ...
>
> <mx:DataGrid id="dgrid" dataProvider="{users}" editable="false">
> <mx:columns>
> <mx:DataGridColumn headerText="User ID" dataField="id"/>
> <mx:DataGridColumn headerText="First Name"
dataField="firstName"/>
> <mx:DataGridColumn headerText="Last Name" dataField="lastName"/>
> <mx:DataGridColumn headerText="Group" dataField="userGroup.name"/>
> </mx:columns>
> </mx:DataGrid>
>
> Unfortunately the dot-access to the related user group name seems not to
> work, there is just nothing being displayed. If
dataField="userGroup" then
> there is [object UserGroup] displayed inside the datagrid column.
>
> So how do you retrieve the properties of the related user group object?
>
> Thanks for your help,
> Niko
>
>
> PS: The classes for value objects look very straight-forward:
>
> // User.as
> package com.example.flex
> {
>
> [Managed]
> [RemoteClass(alias="com.example.flex.User")]
>
> public class User
> {
>
> public var id:Number;
> public var firstName:String = "";
> public var lastName:String = "";
> public var userGroup:UserGroup;
>
> public function User() {
> }
>
> }
> }
>
>
> // UserGroup.as
> package com.example.flex
> {
>
> [Managed]
> [RemoteClass(alias="com.example.flex.UserGroup")]
>
> public class UserGroup
> {
>
> public var id:Number;
> public var name:String = "";
>
> public function UserGroup() {
> }
>
> }
> }
>
