Bug 213822 [Regression]Can not save the modification of group in Aggregation builder
Description: [2.2.2]Can not save the modification of group in Aggregation builder Build number: 2.2.2.v20071225-0630 Steps to reproduce: 1, New a table with two groups 2, Insert a aggregation builder in group footer 3, Select the first group and click OK 4, Open the builder again and modify the group to group2 Expected result: The modification can be saved Actual result: The modification takes no effect and the report design has no dirty mark after the modification. Error log:
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/internal/ui/dialogs/BindingDialogHelper.java
for ( ; argumentListIter.hasNext( ); )
			{
				IParameterInfo argInfo = (IParameterInfo) argumentListIter.next( );
				argList.add( argInfo.getDisplayName( ) );
			}
		}
		catch ( BirtException e )
		{
			ExceptionHandler.handle( e );
		}
		return argList;
	}
	private String getArgumentByDisplayName( String function, String argument )
	{
		try
		{
			IAggregationInfo info = DataUtil.getAggregationFactory( )
					.getAggrInfo( function );
			Iterator arguments = info.getParameters( ).iterator( );
			for ( ; arguments.hasNext( ); )
			{
				IParameterInfo argInfo = (IParameterInfo) arguments.next( );
				if ( argInfo.getDisplayName( ).equals( argument ) )
					return argInfo.getName( );
			}
		}
		catch ( BirtException e )
		{
			ExceptionHandler.handle( e );
		}