Return the value of an attribute on XML element. - CSharp System.Xml

CSharp examples for System.Xml:XML Element

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Description

Return the value of an attribute on XML element.

Demo Code

/*//from w  w  w .  ja v  a  2s  .c o  m
 * ====================
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 * 
 * Copyright 2008-2009 Sun Microsystems, Inc. All rights reserved.     
 * 
 * The contents of this file are subject to the terms of the Common Development 
 * and Distribution License("CDDL") (the "License").  You may not use this file 
 * except in compliance with the License.
 * 
 * You can obtain a copy of the License at 
 * http://opensource.org/licenses/cddl1.php
 * See the License for the specific language governing permissions and limitations 
 * under the License. 
 * 
 * When distributing the Covered Code, include this CDDL Header Notice in each file
 * and include the License file at http://opensource.org/licenses/cddl1.php.
 * If applicable, add the following below this CDDL Header, with the fields 
 * enclosed by brackets [] replaced by your own identifying information: 
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 * ====================
 */
using System.Text;
using System.Xml;
using System;

public class Main{
        /////////////////////////////////////////////////////////////
        //
        // DOM Navigation utilities
        //
        ////////////////////////////////////////////////////////////

        /// <summary>
        /// Return the value of an attribute on an element.
        /// </summary>
        /// <remarks>
        /// <p /> The DOM getAttribute
        /// method returns an empty string if the attribute doesn't exist. Here, we
        /// detect this and return null.
        /// </remarks>
        public static String GetAttribute(XmlElement e, String name)
        {
            String value = e.GetAttribute(name);
            if (value != null && value.Length == 0)
                value = null;
            return value;
        }
}

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