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ClickCounter6 Example, source code file clickcounter6.aspx
<%@ Page Language="C#" Debug="true" %> <!-- The application variable is maintained across all application instances currently provided by the server. --> <script runat="server"> public void Page_Load(object sender, EventArgs e) { if (Application["nclicks"] == null) { Application["nclicks"] = 0; } int n = (int) Application["nclicks"]; litDisplay.Text = n.ToString(); } public void btnClickMe_Click(object sender, EventArgs e) { int n = 0; // Give n an initial value to prevent // an unitialized variable warning. if (Application["nclicks"] != null) { n = (int)Application["nclicks"]; n++; Application["nclicks"] = n; litDisplay.Text = n.ToString(); } } </script> <html> <head> <title>ClickCounter6 Example</title> <link rel="stylesheet" type="text/css" href="../examples.css" /> </head> <body> <h2>ClickCounter6 Example</h2> <form runat="server"> <p><asp:Button ID="btnClickMe" runat="server" Text="Click Me" OnClick="btnClickMe_Click" Width="225px" /></p> <p>Number of Clicks: <asp:Literal ID="litDisplay" runat="server" /></p> </form> </body> </html>