Bug 316695 Refactor data set editor pages' codes[26568]
Build Identifier: 20100610 Refactor data set editor pages' codes[26568]. Reproducible: Always
UI/org.eclipse.birt.report.designer.ui.data/src/org/eclipse/birt/report/designer/data/ui/dataset/DataSetParametersPage.java
Messages.getString( "dataset.editor.error.title" ), 
					Messages.getFormattedString( "dataset.editor.error.validationParameter", 
							new Object[]{
								name
							} ) );
			if ( confirm )
				( (DataSetEditor) getContainer( ) ).updateDataSetDesign( this );
			return confirm;
		}
	}
	/**
	 * whether to save empty parameter
	 * 
	 * @param parameters
	 * @return
	 */
	private boolean doSaveEmptyParameter( PropertyHandle parameters )
	{
		if ( isJointOrDerivedDataSetHandle )
		{
			return true;
		}
		if ( parameters == null )
		{
			parameters = ( (DataSetHandle) getContainer( ).getModel( ) ).getPropertyHandle( DataSetHandle.PARAMETERS_PROP );
		}
		if ( parameters != null )
		{
			Iterator iter = parameters.iterator( );
			String paramName = null;