Use session to store action time (VB.net) : Session Variables « Session Cookie « ASP.Net

ASP.Net
1. ADO.net Database
2. Ajax
3. Asp Control
4. Collections
5. Components
6. Data Binding
7. Development
8. File Directory
9. HTML Control
10. Language Basics
11. Login Security
12. Mobile Control
13. Network
14. Page
15. Request
16. Response
17. Server
18. Session Cookie
19. Sitemap
20. Theme Style
21. User Control and Master Page
22. Validation by Control
23. Validation by Function
24. WebPart
25. WPF
26. XML
Java
Java Tutorial
Java Source Code / Java Documentation
Java Open Source
Jar File Download
Java Articles
Java Products
Java by API
Photoshop Tutorials
Maya Tutorials
Flash Tutorials
3ds-Max Tutorials
Illustrator Tutorials
GIMP Tutorials
C# / C Sharp
C# / CSharp Tutorial
C# / CSharp Open Source
ASP.NET Tutorial
JavaScript DHTML
JavaScript Tutorial
JavaScript Reference
HTML / CSS
HTML CSS Reference
C / ANSI-C
C Tutorial
C++
C++ Tutorial
Ruby
PHP
Python
Python Tutorial
Python Open Source
SQL Server / T-SQL
SQL Server / T-SQL Tutorial
Oracle PL / SQL
Oracle PL/SQL Tutorial
PostgreSQL
SQL / MySQL
MySQL Tutorial
VB.Net
VB.Net Tutorial
Flash / Flex / ActionScript
VBA / Excel / Access / Word
XML
XML Tutorial
Microsoft Office PowerPoint 2007 Tutorial
Microsoft Office Excel 2007 Tutorial
Microsoft Office Word 2007 Tutorial
ASP.Net » Session Cookie » Session Variables 
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 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>

           
       
Related examples in the same category
1. Get Cookie value and assign to the label in C#
2. Get Cookie value (C#)
3. Session Set message (C#)
4. Session get Message (C#)
5. Store your Object in Session (C#)
6. Use Session item (VB.net)
7. Get all session keys (VB.net)
8. Remove value from session value (VB.net)
9. Remove all session values (VB.net)
10. Remove session value by index (VB.net)
11. Write value to session (VB.net)
12. Add and get value from session (VB.net)
13. Clear session values (VB.net)
14. Copy session values (VB.net)
15. Remove all session content (VB.net)
16. Get session code page in VB (VB.net)
17. Session item count (VB.net)
18. Simple session data: set and retrieve
19. Pass variables with & sign (VB.net)
20. Pass variables between pages (VB.net)
21. Use session variables (VB.net)
22. Setting values in session state (C#)
23. Setting values in session state (VB)
24. Get value from session in cross page posting (C#)
25. Get value from session in cross page posting(VB)
www.java2java.com | Contact Us
Copyright 2009 - 12 Demo Source and Support. All rights reserved.
All other trademarks are property of their respective owners.