Bug 210892 [Regression]The arguments of aggregation builder can not be modified
Description: [Regression]The arguments of aggregation builder can not be modified Build number: 2.3.0.v20071126-0800 Steps to reproduce: 1, New a table 2, Drag a aggregation builder into table 3, Specify the datafield, function to percentile and argument to 0.3 4, Reopen the aggregation and change the argument to 0.4 Expected result: After step4, the artument is changed to 0.4 Actual result: Nothing happened after step4, the argument is still 0.3 Error log:
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/internal/ui/dialogs/BindingDialogHelper.java
this.messageLine.setImage( null );
		if ( txtExpression != null
				&& ( txtExpression.getText( ) == null || txtExpression.getText( )
						.trim( )
						.equals( "" ) ) ) 
		{
			if ( dialog.getOkButton( ) != null )
			{
				dialog.getOkButton( ).setEnabled( false );
				return;
			}
		}
		if ( cmbDataField != null
				&& ( cmbDataField.getText( ) == null || cmbDataField.getText( )
						.trim( )
						.equals( "" ) ) && cmbDataField.isEnabled( ) ) 
		{
			if ( dialog.getOkButton( ) != null )
			{
				dialog.getOkButton( ).setEnabled( false );
				return;
			}
		}
		if ( dialog.getOkButton( ) != null )
			dialog.getOkButton( ).setEnabled( true );
	}
	protected void handleFunctionSelectEvent( )
	{
		if ( isRef )
			return;