AdvancedDataGrid - Adventures in Binding
18 September 2008Quick post on AdvancedDataGrid dataProviders.
If your using a HierarchicalData provider for you AdvancedDataGrid (Flex) binding changes may (will) not be picked up by the AdvancedDataGrid.
For example
<mx:AdvancedDataGrid id="grid" bottom="10" top="40" left="10"
designViewDataType="tree" width="379">
<mx:dataProvider>
<mx:HierarchicalData source="{grades}"
childrenField="assignments"/>
</mx:dataProvider>
<mx:columns>
<mx:AdvancedDataGridColumn headerText="Course" dataField="title"/>
<mx:AdvancedDataGridColumn headerText="Score" dataField="scoreString" width="80"/>
</mx:columns>
</mx:AdvancedDataGrid>
Won’t pickup the update to ‘grades’. Instead you’ll need to update the dataProvider itself…
var hd:HierarchicalData = new HierarchicalData();
hd.childrenField = "assignments";
hd.source = grades;
grid.dataProvider = hd;
on September 19th, 2008 at 8:06 am
How about:
grid.dataProvider.refresh();
You could possibly take it further and try something like:
BindSetter( function( obj:Object ):void { grid.dataProvider.refresh(); }, yourObject, “grades” );
on September 19th, 2008 at 4:16 pm
Salman,
Thanks for the reply.
No, with a HierarchicalData dataProvider neither
grid.dataProvider.refresh();
nor
BindingUtils.bindSetter(function( obj:Object ):void { grid.dataProvider.refresh(); }, this, “grades”);
will solve the issue.
You can find more details @ http://bugs.adobe.com/jira/browse/FLEXDMV-1334?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
on October 13th, 2008 at 9:42 pm
Joshua, thanks for the article!
By the way, could you opensource the DynamicModules which in the follow source page?
It is wonderful, and could help me a lot.
http://www.joshuaostrom.com/demos/mortgagepipes/srcview/index.html
Thanks~~
on November 15th, 2008 at 5:26 pm
Thanks Joshua,
this really helped me!!!