using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using Microsoft.VisualBasic;
using System.Xml;
using System.Web.UI.HtmlControls;

namespace CSDN
{
    public class BasePage : System.Web.UI.Page
    {
        public BasePage()
        {

        }

        public string PageTitle
        {
            get
            {
                return Page.Title;
            }
            set
            {
                Page.Title = value;
            }
        }
        /// <summary>
        /// 出示话页面
        /// </summary>
        /// <param name="e"></param>
        protected override void OnInit(EventArgs e)
        {
            object currentUser = Session["LoginName"];
            if (currentUser == null)
            {
                MessageBoxAndRedirect("请重新登录", "../Longin/Longin.aspx", "");
            }
            string cssUrl = "../_rec/css/base.css";
            HtmlLink CssControl = new HtmlLink();
            CssControl.Href = cssUrl;
            CssControl.Attributes.Add("rel", "stylesheet");
            CssControl.Attributes.Add("type", "text/css");
            Page.Header.Controls.Add(CssControl);


            cssUrl = "../_rec/css/layout.css";
            CssControl = new HtmlLink();
            CssControl.Href = cssUrl;
            CssControl.Attributes.Add("rel", "stylesheet");
            CssControl.Attributes.Add("type", "text/css");
            Page.Header.Controls.Add(CssControl);


            cssUrl = "../_rec/css/form.css";
            CssControl = new HtmlLink();
            CssControl.Href = cssUrl;
            CssControl.Attributes.Add("rel", "stylesheet");
            CssControl.Attributes.Add("type", "text/css");
            Page.Header.Controls.Add(CssControl);

            cssUrl = "../_rec/css/table.css";
            CssControl = new HtmlLink();
            CssControl.Href = cssUrl;
            CssControl.Attributes.Add("rel", "stylesheet");
            CssControl.Attributes.Add("type", "text/css");
            Page.Header.Controls.Add(CssControl);  

        }


        /// 跳转父页面
        /// </summary>
        /// <param name="AText">要显示的文本内容。</param>
        /// <param name="AUrl">警告框关闭后浏览器将要跳转的地址。</param>
        /// <remarks></remarks>
        public static void MessageBoxAndRedirect(string AText, string AUrl, string Top)
        {
            AText = FormatJScriptAlertText(AText);
            System.Web.HttpContext.Current.Response.Write("<script language='Javascript'>alert('" + AText + "');" +
                                                           Constants.vbNewLine + "window.top.location.href ='" + AUrl + "';" + "</script>");
            System.Web.HttpContext.Current.Response.End();
        }


        /// <summary>
        /// 格式化 JScript 函数 Alert 中的文本为 HTML 格式。
        /// </summary>
        /// <param name="AText">要格式化的 Alert 文本。</param>
        /// <returns>字符串。可以被 JScript Alert 函数正确显示的字符串。</returns>
        /// <remarks></remarks>
        public static string FormatJScriptAlertText(string AText)
        {
            string s = AText.Replace("\\", "\\\\");
            s = s.Replace(ControlChars.CrLf, "\n");
            s = s.Replace(Contro