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void Application_Start(object sender, EventArgs e)
{
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void Application_End(object sender, EventArgs e)
{
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}

void Application_Error(object sender, EventArgs e)
{
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void Session_Start(object sender, EventArgs e)
{
// ÔÚлỰÆô¶¯Ê±ÔËÐеĴúÂë
Application.Lock();
if (Application["online"] == null)//ÔÚÐéÄâ¿Õ¼äÉÏ£¬Application_Start²»»áÖ´ÐÐ
Application["online"] = 10;
int online = (int)Application["online"];
online++;
Application["online"] = online;
Application.UnLock();
}
void Session_End(object sender, EventArgs e)
{
// ÔڻỰ½áÊøÊ±ÔËÐеĴúÂë¡£
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Application.Lock();
int online = (int)Application["online"];
online--;
Application["online"] = online;
Application.UnLock();
}

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