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Query String in Asp.net with Example in C#, VB.NET

// Default.aspx //

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title>QueryString Example in asp.net</title>
</head>
<body>
<form id="form1" runat="server">
<div><b>QueryString Example</b></div><br />
<div>
<table>
<tr>
<td><b>UserId:</b></td>
<td><asp:TextBox ID="UserId" runat="server"/></td>
</tr>
<tr>
<td><b>UserName:</b></td>
<td><asp:TextBox ID="UserName" runat="server"/></td>
</tr>
<tr>
<td></td>
<td><asp:Button ID="btnSend" Text="Send Values" runat="server" onclick="btnsend_Click"/></td>
</tr>
</table>
</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 Page_Load(object sender, EventArgs e)
    {

    }

    protected void btnsend_Click(object sender, EventArgs e)
    {
        Response.Redirect("Description.aspx?UserId=" + UserId.Text + "&UserName=" + UserName.Text);
    }

}


// Description.aspx //

<html xmlns="http://www.w3.org/1999/xhtml">
<head id="Head1" runat="server">
<title>QueryString Example in asp.net</title>
</head>
<body>
<form id="form1" runat="server">
<div><b>QueryString parameter Values in Description.aspx Page</b></div><br />
<div><b>UserId:</b><asp:Label ID="lblUserId" runat="server"/></div><br />
<div><b>UserName:</b><asp:Label ID="lblUserName" runat="server"/></div>
</form>
</body>

</html>

// Description.aspx.cs //

using System;
using System.Configuration;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;


public partial class Description : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            lblUserId.Text = Request.QueryString["UserId"];
            lblUserName.Text = Request.QueryString["UserName"];
        }
    }

}



OUTPUT









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