Exemple #1
0
 /// <include file='doc\XmlNode.uex' path='docs/doc[@for="XmlNode.SelectSingleNode1"]/*' />
 /// <devdoc>
 ///    <para>Selects the first node that matches the xpath expression and given namespace context.</para>
 /// </devdoc>
 public XmlNode SelectSingleNode( string xpath, XmlNamespaceManager nsmgr ) {
     XPathNavigator xn = (this).CreateNavigator();
     XPathExpression exp = xn.Compile(xpath);
     exp.SetContext(nsmgr);
     try {            
         XmlNodeList list = new XPathNodeList( xn.Select(exp) );;
         return list[0];
     }
     catch( ArgumentOutOfRangeException ) {
         return null;
     }
 }
 // Selects the first node that matches the xpath expression and given namespace context.
 public XmlNode SelectSingleNode( string xpath, XmlNamespaceManager nsmgr ) {
     XPathNavigator xn = (this).CreateNavigator();
     //if the method is called on node types like DocType, Entity, XmlDeclaration,
     //the navigator returned is null. So just return null from here for those node types.
     if( xn == null )
         return null;            
     XPathExpression exp = xn.Compile(xpath);
     exp.SetContext(nsmgr);
     XmlNodeList list = new XPathNodeList( xn.Select(exp) );;
     if( list.Count > 0 )
         return list[0];
     else
         return null;
 }
 public XmlNodeListEnumerator(XPathNodeList list)
 {
     _list = list;
     _index = -1;
     _valid = false;
 }
Exemple #4
0
 public XmlNodeListEnumerator(XPathNodeList list)
 {
     this.list = list;
     this.index = -1;
     this.valid = false;
 }