i want to pass form1 gridview data to the new form gridview by using session

dt=new datatable();
ad=new sqldatadapter("select * from table",con)
ad.fill(dt);
Session["dataset"] = dt;
if(dt.rows.count>0)
{
   GridView1.DataSource = dt;
   GridView1.DataBind();
}

protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            loadgrid();
        }
    }
    private void loadgrid()
    {
        DataTable dset = new DataTable();
        dset = (DataTable)Session["dataset"];
        if (dset.Rows.Count > 0)
        {
            GridView1.DataSource = dset;
            GridView1.DataBind();
        }
    }