Mega Code Archive

 
Categories / ASP.Net / Session Cookie
 

Use session to store action time (VB net)

<%@ Page Language="VB" %> <script runat="server">     Sub Page_Load()         If Not Page.IsPostBack Then             ResetStartTime()         End If     End Sub          Protected Sub btnAgain_Click(ByVal sender As Object, ByVal e As System.EventArgs)         ResetStartTime()     End Sub          Sub ResetStartTime()         Session("StartTime") = DateTime.Now     End Sub               Protected Sub valAnswer_ServerValidate(ByVal source As Object, ByVal args As System.Web.UI.WebControls.ServerValidateEventArgs)         Dim startTime As DateTime = CType(Session("StartTime"), DateTime)         If startTime.AddSeconds(5) > DateTime.Now Then             args.IsValid = True         Else             args.IsValid = False         End If     End Sub </script> <html xmlns="http://www.w3.org/1999/xhtml" > <head id="Head1" runat="server">     <title>Timed Test</title> </head> <body>     <form id="form1" runat="server">     <div>          <p>     You have 5 seconds to answer the following question:     </p>          <asp:Label         id="lblQuestion"         Text="What was Aristotle's first name?"         AssociatedControlID="txtAnswer"         Runat="server" />     <br />     <asp:TextBox         id="txtAnswer"         Runat="server" />         <asp:CustomValidator         id="valAnswer"         Text="(You answered too slowly!)"         OnServerValidate="valAnswer_ServerValidate"         Runat="server"  />          <br /><br />          <asp:Button         id="btnSubmit"         Text="Submit"         Runat="server" />          <asp:Button         id="btnAgain"         Text="Try Again!"         CausesValidation="false"         OnClick="btnAgain_Click"         Runat="server" />          </div>     </form> </body> </html>