Adding radio button to the gridview whose selection will pass the data to new gridview

<div>
           <table>
               <tr>
                   <td colspan="2" align="center">
                       <asp:Label ID="Label1" runat="server" Text="Send Data From 1 Grid to Another Grid of Next Page"
                           Font-Bold="true" Font-Size="Large" Font-Names="Verdana" ForeColor="Maroon"></asp:Label>
                   </td>
               </tr>
               <tr>
                   <td colspan="2" align="center">
                       <asp:Button ID="Button1" runat="server" Text="Pass Data to Second Page" Font-Names="Verdana"
                           Width="213px" BackColor="Orange" Font-Bold="True" OnClick="Button1_Click" Style="height: 26px" />
                   </td>
               </tr>
               <tr>
                   <td colspan="2" align="center">
                       <asp:GridView ID="GridView1" runat="server" CssClass="grid" BackColor="LightGoldenrodYellow"
                           BorderColor="Tan" BorderWidth="1px" CellPadding="2" ForeColor="Black" GridLines="None"
                           AutoGenerateColumns="false">
                           <AlternatingRowStyle BackColor="PaleGoldenrod" />
                           <FooterStyle BackColor="Tan" />
                           <HeaderStyle BackColor="Tan" Font-Bold="True" />
                           <PagerStyle BackColor="PaleGoldenrod" ForeColor="DarkSlateBlue" HorizontalAlign="Center" />
                           <SelectedRowStyle BackColor="DarkSlateBlue" ForeColor="GhostWhite" />
                           <SortedAscendingCellStyle BackColor="#FAFAE7" />
                           <SortedAscendingHeaderStyle BackColor="#DAC09E" />
                           <SortedDescendingCellStyle BackColor="#E1DB9C" />
                           <SortedDescendingHeaderStyle BackColor="#C2A47B" />
                           <Columns>
                               <asp:TemplateField HeaderText="DocketNo">
                                   <ItemTemplate>
                                       <asp:Label runat="server" ID="DocketNo" Text='<%# Bind("DocketNo") %>'>
                                       </asp:Label></ItemTemplate>
                               </asp:TemplateField>
                               <asp:TemplateField HeaderText="Date">
                                   <ItemTemplate>
                                       <asp:Label runat="server" ID="Date" Text='<%# Bind("Date") %>'>
                                       </asp:Label></ItemTemplate>
                               </asp:TemplateField>
                               <asp:TemplateField HeaderText="Branch">
                                   <ItemTemplate>
                                       <asp:Label runat="server" ID="Branch" Text='<%# Bind("Branch") %>'>
                                       </asp:Label></ItemTemplate>
                               </asp:TemplateField>
                               <asp:TemplateField HeaderText="To">
                                   <ItemTemplate>
                                       <asp:Label runat="server" ID="To" Text='<%# Bind("To") %>'>
                                       </asp:Label></ItemTemplate>
                               </asp:TemplateField>
                               <asp:TemplateField HeaderText="PKG">
                                   <ItemTemplate>
                                       <asp:Label runat="server" ID="PKTS" Text='<%# Bind("PKTS") %>'>
                                       </asp:Label></ItemTemplate>
                               </asp:TemplateField>
                               <asp:TemplateField HeaderText="Act Wt">
                                   <ItemTemplate>
                                       <asp:Label runat="server" ID="ActWt" Text='<%# Bind("ActWt") %>'>
                                       </asp:Label></ItemTemplate>
                               </asp:TemplateField>
                               <asp:TemplateField HeaderText="Charge Wt">
                                   <ItemTemplate>
                                       <asp:Label runat="server" ID="ChargeWt" Text='<%# Bind("ChargeWt") %>'>
                                       </asp:Label></ItemTemplate>
                               </asp:TemplateField>
                               <asp:TemplateField HeaderText="Mode">
                                   <ItemTemplate>
                                       <asp:Label runat="server" ID="Basis" Text='<%# Bind("Basis") %>'>
                                       </asp:Label></ItemTemplate>
                               </asp:TemplateField>
                           </Columns>
                       </asp:GridView>
                   </td>
               </tr>
           </table>

  if (!IsPostBack)
        {
            Bind();
        }

    }
    protected void Button1_Click(object sender, EventArgs e)
    {
        SendGridInfo();
    }
    private void Bind()
    {
        con.Open(); SqlCommand cmd = new SqlCommand("select *  FROM CreateDocket WHERE Branch='" + lbl_sal.Text+ "';  ", con);
        SqlDataAdapter da = new SqlDataAdapter(cmd);
        DataSet ds = new DataSet(); da.Fill(ds); con.Close();
        GridView1.DataSource = ds; GridView1.DataBind();
    }
    private void SendGridInfo()
    {
        DataTable dt = new DataTable();
        DataRow dr; dt.Columns.Add(new System.Data.DataColumn("DocketNo", typeof(String)));
        dt.Columns.Add(new System.Data.DataColumn("Date", typeof(String)));
        dt.Columns.Add(new System.Data.DataColumn("Branch", typeof(String)));
        dt.Columns.Add(new System.Data.DataColumn("To", typeof(String)));
        dt.Columns.Add(new System.Data.DataColumn("PKG", typeof(String)));
        dt.Columns.Add(new System.Data.DataColumn("ActWT", typeof(String)));
        dt.Columns.Add(new System.Data.DataColumn("ChargeWt", typeof(String)));
        dt.Columns.Add(new System.Data.DataColumn("Basis", typeof(String)));
        foreach (GridViewRow row in GridView1.Rows)
        {
            Label DocketNo = (Label)row.FindControl("DocketNo");
            Label Date = (Label)row.FindControl("Date");
            Label Branch = (Label)row.FindControl("Branch");
            Label To = (Label)row.FindControl("To");
            Label PKTS = (Label)row.FindControl("PKTS");
            Label ActWt = (Label)row.FindControl("ActWt");
            Label ChargeWt = (Label)row.FindControl("ChargeWt");
            Label Basis = (Label)row.FindControl("Basis");
            dr = dt.NewRow(); dr[0] = DocketNo.Text; dr[1] = Date.Text; dr[2] = Branch.Text; dr[3] = To.Text; dr[4] = PKTS.Text; dr[5] = ActWt.Text; dr[5] = ChargeWt.Text; dr[5] = Basis.Text; dt.Rows.Add(dr);
        }
        Session["GridData"] = dt; Response.Redirect("ReciveChallan.aspx");
    }
}