System.Xml.Linq.XmlHelper.GetAttributeValue C# (CSharp) Méthode

        public string GetAttributeValue(string xPath, string attributeName)
        {
            var result = string.Empty;
            if (string.IsNullOrEmpty(attributeName)) return result;
            XElement element = _doc.XPathSelectElement(xPath);
            if (element == null) return result;
            if (!element.HasAttributes) return result;
            XAttribute attr = element.Attribute(attributeName);
            if (attr == null) return result;
            result = attr.Value;
            return result;
        }