Count of visitors visiting the website in asp.net Using C#

Question

Hi Everyone,

                 Find the below code this code is not working exactly. whenever i visited website it showing count 11 after again showing count 10.

global.aspx 

protected void Application_Start(object sender, EventArgs e)

{

Application["NoVisitors"] = 10;

}

protected void Session_Start(object sender, EventArgs e)

{

Application.Lock();

Application["NoVisitors"] = (int)Application["NoVisitors"] + 1;

Application.UnLock();

}

protected void Session_End(object sender, EventArgs e)

{

}

 

index.aspx

protected void Page_Load(object sender, EventArgs e)

{

if (!IsPostBack)

{

lblcount.Text = Application["NoVisitors"].ToString();

}

}