asp.net 基类

using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Web;
using System.Web.SessionState;
using System.Web.Security;
using System.Web.UI;

using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
using System.Reflection;
using System.Text;
namespace Common
{
    /// <summary>
    /// 页面层(表示层)基类,所有页面继承该页面
    /// </summary>
    public class PageBase : System.Web.UI.Page
    {
        //public int PermissionID = -1;//默认-1为无限制，可以在不同页面继承里来控制不同页面的权限
        //string virtualPath = LTP.Common.ConfigHelper.GetConfigString("VirtualPath");

        /// <summary>
        /// 构造函数
        /// </summary>
        public PageBase()
        {
            //this.Load+=new EventHandler(PageBase_Load);
        }
        protected override void OnInit(EventArgs e)
        {
            base.OnInit(e);
            this.Load += new System.EventHandler(PageBase_Load);
            this.Error += new System.EventHandler(PageBase_Error);
        }
        //错误处理
        protected void PageBase_Error(object sender, System.EventArgs e)
        {

        }
        private void PageBase_Load(object sender, EventArgs e)
        {
            System.Web.UI.HtmlControls.HtmlHead hdd = new HtmlHead();

            Literal lis = new Literal();
            lis.Text = "/n<script language=/"javascript/" type=/"text/javascript/" src=/"JScript.js/"></script>/n<meta name=/"keywords/" content=/"关键字/">/n";
            Header.Controls.Add(lis);           
            string IncludeScript = @"/js/ShowHello.js";
            string includes = @"/js/ch.js";
            Page.ClientScript.RegisterClientScriptInclude("includeKey", IncludeScript);
        }
    }

 

        //错误处理
        protected void PageBase_Error(object sender, System.EventArgs e)
        {
            string errMsg;
            Exception currentError = Server.GetLastError();
            errMsg = "<link rel=/"stylesheet/" href=/"/style.css/">";
            errMsg += "<h1>系统错误：</h1><hr/>系统发生错误， " +
                "该信息已被系统记录，请稍后重试或与管理员联系。<br/>" +
                "错误地址： " + Request.Url.ToString() + "<br/>" +
                "错误信息： <font class=/"ErrorMessage/">" + currentError.Message.ToString() + "</font><hr/>" +
                "<b>Stack Trace:</b><br/>" + currentError.ToString();
            Response.Write(errMsg);
            Server.ClearError();
        }
}