Digg StumbleUpon LinkedIn YouTube Flickr Facebook Twitter RSS Reset

Lire et Convertir un attribut à partir d’un XmlElement


 License:  Microsoft Permissive License (Ms-PL) v1.1
using System;
using System.Xml;
namespace ValidationFramework.Extensions
    public static class XmlElementExtensions
        /// Attempts to get and convert an attribute from a <see cref="XmlElement"/>. If the item does not exist or can't be converted a
<paramref name="defaultValue"/> is returned.
        /// </summary>
        /// <typeparam name="T">The <see cref="Type"/> to try to convert to.</typeparam>
<param name="element">The <see cref="XmlElement"/> to extract the attribute value from.</param>
<param name="key">The key to use or the extraction</param>
<param name="defaultValue">The default value if
<paramref name="key"/> is not found.</param>
        /// <returns>The value from
<paramref name="attributes"/> if
<paramref name="key"/> exists; otherwise
<paramref name="defaultValue"/>.</returns>
        internal static T GetAttribute<T>(this XmlElement element, string key, T defaultValue)
            if (!element.HasAttribute(key))
                return defaultValue;
            var stringValue = element.GetAttribute(key);
            var converter = System.ComponentModel.TypeDescriptor.GetConverter(typeof(T));
            if (!converter.CanConvertFrom(typeof(string)))
                return defaultValue;
            return (T)converter.ConvertFromString(stringValue);

No comments yet.

Leave a Comment