from a cursory look to your code, the new values should update the FirstName and LastName content (btw, you have a memory leak by using XMLString::transcode without releasing the returned string).
One thing looks strange: you say "the file is not updated", but I don't see any code serializing the DOM back to disk. I hope you have written such code (otherwise the changes stay in memory): can you post it?
Alberto
At 17.11 17/12/2004 -0500, Jairam, Roopnaraine wrote:
Hi:
I trying to read and write to my xml file. I am able to read from the file but when trying to update an element no errors are returned but the file is not updated I have attached my code for the write please help
<LicenseSystem> <ContactInfo> <FirstName>abc</FirstName> <LastName>def</LastName> <Address1>my address</Address1> <Address2></Address2> <City>abc</City> <State>new york</State> <Zip1>12122</Zip1> <Zip2></Zip2> <Country>usa</Country> <Phone></Phone> <Email>[EMAIL PROTECTED]</Email> </ContactInfo>
…. <LicenseSystem>
DWORD XML::parseFile() { if (m_parsed) return ERROR_SUCCESS; if (m_parser != NULL) { m_parser->parse(m_xmlFileName); m_document = m_parser->getDocument(); if (m_document != NULL) { m_parsed = true; return ERROR_SUCCESS; } }
return ERROR_INVALID_HANDLE; }
DWORD XML::WriteUserInfo(PUSERINFO pUserInfo) { if (pUserInfo == NULL) return ERROR_NO_DATA;
if (parseFile() != ERROR_SUCCESS) return ERROR_INVALID_HANDLE;
DOMNodeList* contactInfo = m_document->getElementsByTagName(L”ContactInfo”);
if (contactInfo == NULL) return ERROR_INVALID_HANDLE;
DOMElement* element = (DOMElement *)contactInfo->item( 0 );
SetElementText(element, L“FirstName”, pUserInfo->szFirstName); SetElementText(element, L” LastName”, pUserInfo->szLastName); … return ERROR_SUCCESS; }
// ----------------------------------------------- DWORD XML::SetElementText(DOMElement *pElem, LPCWSTR pzName, LPCSTR value) { if( pElem != NULL ) { DOMNodeList *pList = pElem->getElementsByTagName(pzName); if( pList->getLength() > 0 ) { DOMElement *pElem = (DOMElement *)pList->item( 0 ); DOMNode *pChild = pElem->getFirstChild();
if( pChild ) { pChild->setNodeValue(XMLString::transcode(value)); return ERROR_SUCCESS; } } }
return ERROR_INVALID_HANDLE; }
Thanks vince.
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