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<%@ 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>
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