private void RemoveCompoundAttributeToXml(BaseUsage usage, int number)
{
TaskManager = (CreateTaskmanager)Session["CreateDatasetTaskmanager"];
XDocument metadataXml = (XDocument)TaskManager.Bus[CreateTaskmanager.METADATA_XML];
XmlMetadataWriter xmlMetadataWriter = new XmlMetadataWriter(XmlNodeMode.xPath);
metadataXml = xmlMetadataWriter.RemovePackage(metadataXml, usage, number, UsageHelper.GetNameOfType(usage));
TaskManager.Bus[CreateTaskmanager.METADATA_XML] = metadataXml;
}