Asp.net Session Example Code - Asp.net
How to use session in asp.net?
Snippet Code
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This asp.net session code helps you to create session for the user and maintain it. Here, the sample asp.net code allows you to create retrieve and remove session.
index.aspx:
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<form id="form1" runat="server">
<div>
<fieldset>
<div>
Userame:
<asp:TextBox ID="txtUserName" runat="server" MaxLength="50"></asp:TextBox>
<asp:RequiredFieldValidator ID="rfvFirstName" runat="server" Display="Dynamic"
CssClass="validator" ControlToValidate="txtUserName"
ErrorMessage="Username is required"></asp:RequiredFieldValidator>
</div>
<div>
<asp:Button ID="btnCreateSession" runat="server"
Text="Click to Create Session" onclick="btnCreateSession_Click" />
ampnbsp;
<asp:Button ID="btnRetrieveSession" runat="server" CausesValidation="false"
Text="Click to Retrieve Session Value" onclick="btnRetrieveSession_Click" />
ampnbsp;
<asp:Button ID="btnRemoveSession" runat="server" CausesValidation="false"
Text="Click to Remove Session Value" onclick="btnRemoveSession_Click" />
</div>
<div>
Value stored in Session:
<strong><asp:Label ID="lblSessionValue" runat="server"></asp:Label></strong>
</div>
</fieldset>
</div>
</form>
index.aspx.cs:
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using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
public partial class index : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
}
protected void btnCreateSession_Click(object sender, EventArgs e)
{
Session["Username"] = txtUserName.Text.Trim();
}
protected void btnRetrieveSession_Click(object sender, EventArgs e)
{
DisplaySessionValue();
}
protected void btnRemoveSession_Click(object sender, EventArgs e)
{
Session.Remove("Username");
DisplaySessionValue();
}
private void DisplaySessionValue()
{
if (Session["Username"] != null)
lblSessionValue.Text = Convert.ToString(Session["Username"]);
else
lblSessionValue.Text = "No Value has been stored in session";
}
}
