error.cs

基于微软的 ASP.NET+C#开发的PETSHOP(网上宠物店)项目,在性能及开发效率上明显优于基于SUN J2EE框架开发的PETSHOP. 项目包括所有源码及数据库建库脚本,是不错的学习 AS

using System;
using System.Diagnostics;

namespace PetShop.Components {
	/// <summary>
	/// Helper functions for logging errors.
	/// </summary>
	public class Error {
		const string EVENT_LOG_SOURCE = ".NET PetShop";

		/// <summary>
		/// Log message to application log.
		/// </summary>
		/// <param name="message">Message to log.</param>
		public static void Log(string message) {
			EventLog m_eventLog = null;

			// make sure we have an event log
			if (!(EventLog.SourceExists(EVENT_LOG_SOURCE))) {
				EventLog.CreateEventSource(EVENT_LOG_SOURCE, "Application");
			}

			if (m_eventLog == null) {
				m_eventLog = new EventLog("Application");
				m_eventLog.Source = EVENT_LOG_SOURCE;
			}
			
			// log the message
			m_eventLog.WriteEntry(message, System.Diagnostics.EventLogEntryType.Error);
		}
	}
}