How to use Session in ASP.net with Example
Session in ASP.net with C#
In previous article we learned about asp.net session, session id, session state types in asp.net. In the following example we will learn how to use asp.net session state to store and retrieve values of a user. Find the C# code below :-
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Default.aspx
Default.aspx.cs
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| Session in asp net using c sharp |
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %>
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title>Session in asp net using c sharp</title>
</head>
<body>
<form id="form1" runat="server">
<div>
<h3>How to use session in asp.net with
example</h3>
<div>
Enter Userame:<br />
<asp:TextBox ID="txtUserName" runat="server" MaxLength="50"></asp:TextBox><br />
<br />
</div>
<div>
<asp:Button ID="btnCreateSession" runat="server"
Text="Click to
Create Session"
OnClick="btnCreateSession_Click" />
<asp:Button ID="btnRetrieveSession" runat="server" CausesValidation="false"
Text="Click to
Retrieve Session Value" OnClick="btnRetrieveSession_Click" />
<asp:Button ID="btnRemoveSession" runat="server" CausesValidation="false"
Text="Click to
Remove Session Value" OnClick="btnRemoveSession_Click" />
<asp:Button ID="btnRemoveAll" runat="server" CausesValidation="false"
Text="Click to
Remove All Sessions"
OnClick="btnRemoveAll_Click" />
</div>
<p>
<b>Note</b>: First create a
session by providing user name in text field, then you can retrieve the value
from session.
</p>
<div>
Value stored in Session:
<strong>
<asp:Label ID="lblSessionValue" ForeColor="OrangeRed" runat="server"></asp:Label></strong>
</div>
</div>
</form>
</body>
</html>
Default.aspx.cs
using
System;
using
System.Collections.Generic;
using
System.Linq;
using
System.Web;
using
System.Web.UI;
using
System.Web.UI.WebControls;
public
partial class _Default : System.Web.UI.Page
{
protected void btnCreateSession_Click(object sender, EventArgs e)
{
Session["Username"]
= txtUserName.Text.Trim();
txtUserName.Text = string.Empty;
}
protected void btnRetrieveSession_Click(object sender, EventArgs e)
{
DisplaySessionValue();
}
protected void btnRemoveSession_Click(object sender, EventArgs e)
{
Session.Remove("Username");
DisplaySessionValue();
}
protected void btnRemoveAll_Click(object sender, EventArgs e)
{
Session.RemoveAll();
DisplaySessionValue();
}
private void DisplaySessionValue()
{
if (Session["Username"] != null)
lblSessionValue.Text = Convert.ToString(Session["Username"]);
else
lblSessionValue.Text = "No Value has been stored in session";
}
}
I hope you will enjoy the development tips while programming with asp.net using C#. I would like to have feedback from my blog readers. Your valuable feedback, question, or comments about this article are always welcome. Also If you like this article, don't forget to share this article with your friends and colleagues.
How to use Session in ASP.net with Example
Reviewed by Ravi Kumar
on
1:21 AM
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Reviewed by Ravi Kumar
on
1:21 AM
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