removeNamedItem Method

MSXML 5.0 SDK

Microsoft XML Core Services (MSXML) 5.0 for Microsoft Office - DOM Reference

removeNamedItem Method

Removes an attribute from the collection.

[Script]

Script Syntax

var objXMLDOMNode = oXMLDOMNamedNodeMap.removeNamedItem(name);

Parameters

name
The string specifying the name of the attribute to remove from the collection.

Return Value

An object. Returns the node removed from the collection. Returns Null if the named node is not an attribute.

Example

var xmlDoc = new ActiveXObject("Msxml2.DOMDocument.5.0");
var nodeBook;
xmlDoc.setProperty("SelectionLanguage", "XPath");
xmlDoc.async = false;
xmlDoc.load("books.xml");
if (xmlDoc.parseError.errorCode != 0) {
   var myErr = xmlDoc.parseError;
   alert("You have error " + myErr.reason);
} else {
   nodeBook = xmlDoc.selectSingleNode("//book");
   alert(nodeBook.attributes.length);
   nodeBook.attributes.removeNamedItem("id");
   alert(nodeBook.attributes.length);
}
[Visual Basic]

Visual Basic Syntax

Set objXMLDOMNode = oXMLDOMNamedNodeMap.removeNamedItem(name)

Parameters

name
A string specifying the name of the attribute to remove from the collection.

Return Value

An object. Returns the node removed from the collection. Returns Null if the named node is not an attribute.

Example

Dim xmlDoc As New Msxml2.DOMDocument50
Dim nodeBook As IXMLDOMElement
xmlDoc.setProperty "SelectionLanguage", "XPath"
xmlDoc.async = False
xmlDoc.Load "books.xml"
If (xmlDoc.parseError.errorCode <> 0) Then
   Dim myErr
   Set myErr = xmlDoc.parseError
   MsgBox("You have error " & myErr.reason)
Else
   Set nodeBook = xmlDoc.selectSingleNode("//book")
   MsgBox nodeBook.Attributes.length
   nodeBook.Attributes.removeNamedItem "id"
   MsgBox nodeBook.Attributes.length
End If
[C/C++]

C/C++ Syntax

HRESULT removeNamedItem(
    BSTR name,
    IXMLDOMNode **namedItem);

Parameters

name [in]
The name of the attribute to remove from the collection.
namedItem [out, retval]
The node removed from the collection. Returns Null if the named node is not an attribute.

C/C++ Return Values

S_OK
The value returned if successful.
S_FALSE
The value when returning Null.
E_FAIL
The value returned if an error occurs.

C/C++ Example

IXMLDOMNode *pIXMLDOMNode = NULL;
IXMLDOMNamedNodeMap *pIXMLDOMNamedNodeMap = NULL;
BSTR bstrAttributeName = ::SysAllocString(_T("dateModified"));
IXMLDOMElement *pIXMLDOMElement = NULL;
VARIANT varValue;
HRESULT hr;
IXMLDOMDocument *pIXMLDOMDocument = NULL;

try
{
// Create an instance of DOMDocument and initialize pIXMLDOMDocument.
// Load/create an XML fragment.
hr = pIXMLDOMDocument->get_documentElement(&pIXMLDOMElement);
SUCCEEDED(hr) ? 0 : throw hr;

if(pIXMLDOMElement)
{
hr = pIXMLDOMElement->get_attributes(&pIXMLDOMNamedNodeMap);
if(SUCCEEDED(hr) && pIXMLDOMNamedNodeMap)
{
hr = pIXMLDOMNamedNodeMap->removeNamedItem(bstrAttributeName, &pIXMLDOMNode);
if(SUCCEEDED(hr) && pIXMLDOMNode)
{
pIXMLDOMNode->get_nodeValue(&varValue);
::MessageBox(NULL, _bstr_t(varValue), _T("Removed Item"), MB_OK);
pIXMLDOMNode->Release();
pIXMLDOMNode = NULL;
}
pIXMLDOMNamedNodeMap->Release();
pIXMLDOMNamedNodeMap = NULL;
}
pIXMLDOMElement->Release();
pIXMLDOMElement = NULL;
}
::SysFreeString(bstrAttributeName);
bstrAttributeName = NULL;
}
catch(...)
{
if(bstrAttributeName)
::SysFreeString(bstrAttributeName);
if(pIXMLDOMElement)
pIXMLDOMElement->Release();
if(pIXMLDOMNamedNodeMap)
pIXMLDOMNamedNodeMap->Release();
if(pIXMLDOMNode)
pIXMLDOMNode->Release();
DisplayErrorToUser();
}
// Release pIXMLDOMDocument when finished with it.

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See Also

Applies to: IXMLDOMNamedNodeMap