displaying result in another page assist me plz

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C#

ASP.NET

ADO.NET

dear friends i am sory if this is simple or silly question i wanted to know
how to display result in another page

for EX:

index.aspx will have textbox where we enter value and submit button
as soon we click on submit button it should goto result.aspx page and display result.

i want only that code part as i know about sql gridview and button event fire

so please help me with this problem thanks in advance


index.aspx (textbox and button)
result.aspx (result in grid view)

in default.aspx

<form id="form1"  runat="server">
 <div>
    <asp:Label ID="Label1" runat="server" Text="ENTER YOUR STUDENT ID: " 
        Font-Bold="True" Font-Names="Times New Roman" Font-Size="Small">
        
    <asp:TextBox ID="TextBox1" runat="server">
        
    <asp:Button ID="Button1" runat="server" Text="SUBMIT" 
       PostBackUrl="~/result.aspx"/><br /><br />
    <asp:Label ID="Label2" runat="server" Text="error label">
 </div>
</form>

in result.aspx

<form id="form1" runat="server">
          <div>
          <tr>
  <td class="body" border="0" cellspacing="5" cellpadding="5">
  <br />
      <asp:Label ID="Label3" runat="server" Text="student id" Font-Size="Small">
  <br /><br />
      <asp:Label ID="Label4" runat="server" Text="student name" Font-Size="Small">
  <br /><br />
      <asp:Label ID="Label5" runat="server" Text="student class" Font-Size="Small">
  <br /><br />
      <asp:Label ID="Label6" runat="server" Text="student result" Font-Size="Small">
  <br /><br />
</td>
          </tr>
              <asp:GridView ID="GridView1" runat="server">
                        
          <br /><br />
              <asp:Label ID="Label2" runat="server" Text="error label">
          </div>
          </form>

in result.cs

using System;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;
using System.Data.SqlClient;

public partial class _Default : System.Web.UI.Page 
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (Page.PreviousPage != null)
        {
            TextBox txt1 = (TextBox)(Page.PreviousPage.FindControl("TextBox1.text"));
        }
        BindFiles();
    }
    private void BindFiles()
    {
        DataTable table = new DataTable();

        // get the connection
        SqlConnection _conn1 = new SqlConnection(@"conn string");
        {
            // write the sql statement to execute
            string sql = "select * from studsub where sid=TextBox1";
            
            // instantiate the command object to fire
            using (SqlCommand cmd = new SqlCommand(sql, _conn1))
            {
                // get the adapter object and attach the command object to it
                using (SqlDataAdapter ad = new SqlDataAdapter(cmd))
                {
                    // fire Fill method to fetch the data and fill into DataTable
                    ad.Fill(table);
                }
                // DataAdapter doesn't need open connection, it takes care of opening and closing the database connection
            }
        }
        GridView1.DataSource = table;
        GridView1.DataBind();
    }
}

please check my code and tell me where to put which code and what code has to put