check this for creating a hyperlink column and after doing this, you can write the logic to display the number and other stuff in the respective page..

<asp:GridView ID="GridView1" runat="server" BackColor="White" BorderColor="White"
            BorderStyle="Ridge" BorderWidth="2px" CellPadding="3" CellSpacing="1" 

GridLines="None" AutoGenerateColumns="False">
            <FooterStyle BackColor="#C6C3C6" ForeColor="Black" />
            <RowStyle BackColor="#DEDFDE" ForeColor="Black" />
            <PagerStyle BackColor="#C6C3C6" ForeColor="Black" HorizontalAlign="Right" />
            <SelectedRowStyle BackColor="#9471DE" Font-Bold="True" ForeColor="White" />
            <HeaderStyle BackColor="#4A3C8C" Font-Bold="True" ForeColor="#E7E7FF" />
            <Columns>
                <asp:BoundField DataField="CategoryID" />
                <asp:HyperLinkField DataNavigateUrlFields="CategoryID"

 DataNavigateUrlFormatString="SmallWindow.aspx?id={0}"
                    DataTextField="CategoryName" NavigateUrl="SmallWindow.aspx" />
                <asp:BoundField DataField="Description" />
            </Columns>
        </asp:GridView>