public boolean changeExternalReference(String oldUrl, String newUrl) {for (ExternalBookBlock ex : _externalBookBlocks) {SupBookRecord externalRecord = ex.getExternalBookRecord();if (externalRecord.isExternalReferences()&& externalRecord.getURL().equals(oldUrl)) {externalRecord.setURL(newUrl);return true;}}return false;}

public bool ChangeExternalReference(String oldUrl, String newUrl){foreach (ExternalBookBlock ex in _externalBookBlocks){SupBookRecord externalRecord = ex.GetExternalBookRecord();if (externalRecord.IsExternalReferences&& externalRecord.URL.Equals(oldUrl)){externalRecord.URL = (newUrl);return true;}}return false;}
