Retrieve row values from one page to another from datagridview

write this code in 1st page
DEFAULT.ASP

<div>
    <a href="ShowDetails.aspx?autoid=5" title="Show records where AutoId is 5">Show records where AutoId is 5 </a>
    <p><asp:HyperLink ID="hyper1" runat="server" Text="Show Record where AutoID is 8"> </asp:HyperLink> </p>
</div>

DEFAULT.ASPX.CS CODE BEHIND

protected void Page_Load(object sender, EventArgs e)
{
  if (!IsPostBack)
  {
     hyper1.NavigateUrl = "ShowDetails.aspx?autoid=8&com=show";
   }
}

SHOWDETAILS.ASPX

<div>
    <asp:DetailsView ID="DetailsView1" runat="server" EnableViewState="false" />
</div>

SHOWDETAILS.ASPX.CS CODE BEHIND

rotected void Page_Load(object sender, EventArgs e)
{
  if (!IsPostBack)
  {
    if (!string.IsNullOrWhiteSpace(Request.QueryString["autoid"]))
    {
      int autoId = 0;
      int.TryParse(Request.QueryString["autoid"], out autoId);
      if (!autoId.Equals(0))
      {
        GetData(autoId);
      }
    }
    // to get the other querystring do the same
    string command = Request.QueryString["com"];
  }
}
private void GetData(int autoId)
{
   DataTable table = new DataTable();
   // get the connection
   using (SqlConnection conn = new SqlConnection(_connStr))
   {
      // write the sql statement to execute
      string sql = "SELECT AutoId, FirstName, LastName, Age, Active FROM PersonalDetail WHERE AutoId = @AutoId ORDER By AutoId";
      // instantiate the command object to fire
      using (SqlCommand cmd = new SqlCommand(sql, conn))
      {
         // get the adapter object and attach the command object to it
         using (SqlDataAdapter ad = new SqlDataAdapter(cmd))
         {
           SqlParameter prm = new SqlParameter("@AutoId", SqlDbType.Int);
           prm.Value = autoId;
           cmd.Parameters.Add(prm);
           // fire Fill method to fetch the data and fill into DataTable
           ad.Fill(table);
         }
      }
  }
  // specify the data source for the GridView
  DetailsView1.DataSource = table;
  // bind the data now
  DetailsView1.DataBind();
}