You can use an ActionScript function to that see an example
public function applyGrouping(field1:String,field2:String):void {
mygroup = new GroupingCollection();
if (StringUtil.trim(field1).length >0){
mygroup.source = gridData;
var group:Grouping = new Grouping();
var gf:GroupingField ;
var sf:SummaryField;
var sr:SummaryRow;
var gf1:GroupingField;
var sf1:SummaryField;
var sr1:SummaryRow
if( StringUtil.trim(field1).length > 0 && StringUtil.trim
(field2).length ==0) {
gf =new GroupingField(field1);
group.fields = new Array();
group.fields.push(gf);
sr = new SummaryRow();
sr.summaryPlacement = "group";
sf = new SummaryField(field1);
sf.operation="COUNT";
sf.label="summary";
sr.fields = new Array();
sr.fields.push(sf);
gf.summaries = new Array();
gf.summaries.push(sr);
}
else if (StringUtil.trim(field1).length > 0 &&
StringUtil.trim(field2).length > 0) {
gf = new GroupingField(field1);
gf1 = new GroupingField(field2);
group.fields = new Array();
group.fields.push(gf);
group.fields.push(gf1);
sr = new SummaryRow();
sr.summaryPlacement = "group";
sf = new SummaryField(field1);
sf.operation="COUNT";
sf.label="summary";
sr.fields = new Array();
sr.fields.push(sf);
gf.summaries = new Array();
gf.summaries.push(sr);
sr1= new SummaryRow();
sr1.summaryPlacement = "group";
sf1= new SummaryField(field2);
sf1.operation="COUNT"; //summaryFunction = func;
sf1.label="summary";
sr1.fields = new Array();
sr1.fields.push(sf1);
gf1.summaries = new Array();
gf1.summaries.push(sr1);
}
mygroup.grouping = group;
mygroup.refresh();
dataGrid.dataProvider = mygroup;
dataGrid.styleFunction = dataGrid_styleFunction;
dataGrid.validateNow();
dataGrid.validateDisplayList();
dataGrid.expandAll();
}
}
call this on an appropriate change event.
On Nov 10, 3:47 am, "Kameshwaran.Anandan"
<[email protected]> wrote:
> Hi,
>
> I have a grouped collection which I show in an advanced datagrid,I have do
> grouping based on the data that is coming in.
>
> For Example :
>
> In the below grouping collection I have added 3 grouping fields but I do not
> want to apply all the 3 grouping for a subset of data or in other words for
> only a subset of data which is given as source to the groupedCollection,I
> want to apply all the 3 grouping which I have defined for the others I would
> like to apply only 2 grouping, is it possible , if so please let me know
> how?
>
> <mx:GroupingCollection id="gc" source="{ac}">
> <mx:Grouping>
> <mx:GroupingField name="screeningGroupCategory">
> <mx:SummaryRow summaryPlacement="group">
> <mx:SummaryField summaryFunction="summFunc"
> dataField="screeningGroupCategoryTotal"
> label="Sub Total"/>
> </mx:SummaryRow>
> </mx:GroupingField>
> <mx:GroupingField name="gtepSubScreeningGroup">
> <mx:SummaryRow summaryPlacement="group">
> <mx:SummaryField summaryFunction="summFunc"
> dataField="gtepSubScreeningGroupTotal"
> label="Sub Total"/>
> </mx:SummaryRow>
> </mx:GroupingField>
> <mx:GroupingField name="accessionAFSC">
> <mx:SummaryRow summaryPlacement="group">
> <mx:SummaryField summaryFunction="summFunc"
> dataField="accessionAFSCTotal" label="Sub
> Total"/>
> </mx:SummaryRow>
> </mx:GroupingField>
> </mx:Grouping>
> </mx:GroupingCollection>
> --
> View this message in
> context:http://old.nabble.com/GroupedCollection--changing-the-grouping-field-...
> Sent from the Flex India mailing list archive at Nabble.com.
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