global.asax

ASP.NET 2.0动态网站设计实例源代码,本书介绍了ASP.NET2.0的基础知识

<%@ Application Language="C#" %>

<script runat="server">

 void Application_Start(object sender, EventArgs e)
 {
  Application["OnLine"] = 0;
  GetCopyRight();
  //GetItems();
  CheckPath();
  GetLogo();
  GetTopBanner();
  GetSMTP();
 }
 
 /// <summary>
 /// 获取数据库中SMTP设置
 /// </summary>
 void GetSMTP()
 {
  SystemEntity sys = new SystemEntity();
  SystemBussiness sysBuss = new SystemBussiness();
  
  
  sys.SystemKey = "SMTP";
  bool isExist = sysBuss.GetValueByKey(ref sys);
  if (isExist)
  {
   Application["SMTP"]= sys.SystemValue;
  }
  else
  {
   Application["SMTP"] = "smtp.163.com";
  }
  sys.SystemKey = "SMTPAccount";
  isExist = sysBuss.GetValueByKey(ref sys);
  if (isExist)
  {
   Application["SMTPAccount"] = sys.SystemValue;
  }
  else
  {
   Application["SMTPAccount"] = "wertpoiuy";
  }

  sys.SystemKey = "SMTPPassword";
  isExist = sysBuss.GetValueByKey(ref sys);
  if (isExist)
  {
   Application["SMTPPassword"] = sys.SystemValue;
  }
  else
  {
   Application["SMTPPassword"] = "yuioptrew";
  }

  sys.SystemKey = "SendAS";
  isExist = sysBuss.GetValueByKey(ref sys);
  if (isExist)
  {
   Application["SendAS"] = sys.SystemValue;
  }
  else
  {
   Application["SendAS"] = "[e-mail]";
  }
 }

 /// <summary>
 /// 获取数据库中顶部广告的URL
 /// </summary>
 void GetTopBanner()
 {
  SystemEntity sys = new SystemEntity();
  SystemBussiness sysBuss = new SystemBussiness();
  sys.SystemKey = "TopBanner";
  bool isExist = sysBuss.GetValueByKey(ref sys);
  if (isExist)
  {
   Application["TopBanner"] = sys.SystemValue;
  }
  else
  {
   Application["TopBanner"] = "";
  }
  
  sys.SystemKey = "TopBannerAlter";
  isExist = sysBuss.GetValueByKey(ref sys);
  if (isExist)
  {
   Application["TopBannerAlter"] = sys.SystemValue;
  }
  else
  {
   Application["TopBannerAlter"] = "";
  }

  sys.SystemKey = "TopBannerNavigateURL";
  isExist = sysBuss.GetValueByKey(ref sys);
  if (isExist)
  {
   Application["TopBannerNavigateURL"] = sys.SystemValue;
  }
  else
  {
   Application["TopBannerNavigateURL"] = "";
  }
 }

 /// <summary>
 /// 获取数据库中Logo的URL
 /// </summary>
 void GetLogo()
 {
  SystemEntity sys = new SystemEntity();
  SystemBussiness sysBuss = new SystemBussiness();
  sys.SystemKey = "Logo";
  bool isExist = sysBuss.GetValueByKey(ref sys);
  if (isExist)
  {
   Application["Logo"] = sys.SystemValue;
  }
  else
  {
   Application["Logo"] = "";
  }
 }
 /// <summary>
 /// 检查数据库中应用程序的物理路径和实际是否符合
 /// </summary>
 void CheckPath()
 {
  SystemBussiness sysBuss = new SystemBussiness();
  SystemEntity sys = new SystemEntity();
  sys.SystemKey = "PhysicalPath";
  sysBuss.GetValueByKey(ref sys);
  string strPhsicalPath = sys.SystemValue;
  if (strPhsicalPath == null)
  {
   sys.SystemValue = Server.MapPath("~/");
   sysBuss.AddValueByKey(sys);
  }
  else
  {
   if (strPhsicalPath != Server.MapPath("~/"))
   {
    sys.SystemValue = Server.MapPath("~/");
    sysBuss.AddValueByKey(sys);
   }
  }
  Application["PhysicalPath"] = Server.MapPath("~/");
 }
 /// <summary>
 /// 获取系统版权信息
 /// </summary>
 void GetCopyRight()
 {
  SystemEntity sys = new SystemEntity();
  SystemBussiness sysBuss = new SystemBussiness();
  sys.SystemKey = "BBSName";
  bool isExist= sysBuss.GetValueByKey(ref sys);
  if (isExist)
  {
   Application["BBSName"] = sys.SystemValue;
  }
  else
  {
   Application["BBSName"] = "BBS";
  }
 }
 /// <summary>
 /// 获取所有栏目
 /// </summary>
 //void GetItems()
 //{
 // eNewsItem eni = new eNewsItem();
 // Application["Items"] = eni.GetAllItem();
 //}

 void Application_End(object sender, EventArgs e)
 {
  //  Code that runs on application shutdown

 }

 void Application_Error(object sender, EventArgs e)
 {
  // Code that runs when an unhandled error occurs

 }

 void Session_Start(object sender, EventArgs e)
 {
  Application["OnLine"] = (int)Application["OnLine"]+1;
 }

 void Session_End(object sender, EventArgs e)
 {
  Application["OnLine"] = (int)Application["OnLine"]-1;
 }
       
</script>