ASP.NET程序中常用代码汇总
ASP.NET程序中常用代码汇总
1.自定义异常处理
//自定义异常处理类
using System;
using System.Diagnostics;
namespace MyAppException
{
/// <summary>
/// 从系统异常类ApplicationException继承的应用程序异常处理类。
/// 自动将异常内容记录到Windows NT/2000的应用程序日志
/// </summary>
public class AppException:System.ApplicationException
{
public AppException()
{
if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
}
public AppException(string message)
{
LogEvent(message);
}
public AppException(string message,Exception innerException)
{
LogEvent(message);
if (innerException != null)
{
LogEvent(innerException.Message);
}
}
//日志记录类
using System;
using System.Configuration;
using System.Diagnostics;
using System.IO;
using System.Text;
using System.Threading;
namespace MyEventLog
{
/// <summary>
/// 事件日志记录类,提供事件日志记录支持
/// <remarks>
/// 定义了4个日志记录方法 (error, warning, info, trace)
/// </remarks>
/// </summary>
public class ApplicationLog
{
/// <summary>
/// 将错误信息记录到Win2000/NT事件日志中
/// <param name="message">需要记录的文本信息</param>
/// </summary>
public static void WriteError(String message)
{
WriteLog(TraceLevel.Error, message);
}
/// <summary>
/// 将警告信息记录到Win2000/NT事件日志中
/// <param name="message">需要记录的文本信息</param>
/// </summary>
public static void WriteWarning(String message)
{
WriteLog(TraceLevel.Warning, message);
}
/// <summary>
/// 将提示信息记录到Win2000/NT事件日志中
/// <param name="message">需要记录的文本信息</param>
/// </summary>
public static void WriteInfo(String message)
{
WriteLog(TraceLevel.Info, message);
相关文档:
Introduction
In this article, we will take a closer look at how ASP.NET pages post back to themselves, and how to customize this feature in our web applications.
function __doPostBack(eventTarget, eventArgument)
One of the most important features of the ASP.NET environment is the ability to decla ......
a.aspx
//显示某个订单的详细信息,通过一个模态对话框,而且屏幕会变颜色
function ShowOrderDetails(orderId) {
var url = "AddMenu.aspx?ID=" + orderId;
&n ......
日期转化一
为了达到不同的显示效果有时,我们需要对时间进行转化,默认格式为:2007-01-03 14:33:34 ,要转化为其他格式,要用到DateTime.ToString的方法(String, IFormatProvider),如下所示:
using System;
using System.Globalization;
String format="D";
DateTime date=DataTime,Now;
Response.Write(date.ToS ......
示例一
在Global.asax.cs文件中:
protected void Application_Start(Object sender, EventArgs e)
{
System.Timers.Timer timer1 = new System.Timers.Timer();
&nbs ......