css table

      <asp:GridView ID="GridView1" runat="server" Width="100%" 
                   HorizontalAlign="Center" CellPadding="1" AutoGenerateColumns="False"  AllowPaging="true" 
                              CellSpacing="1" BorderWidth="0px" BackColor="#6594D1" 
                                    onrowdatabound="GridView1_RowDataBound" onsorting="GridView1_Sorting" 
                                          onselectedindexchanging="GridView_SelectedIndexChanging" AllowSorting="True">
               <AlternatingRowStyle CssClass="TD-BG-LAN" BackColor="#ffffef" BorderColor="#ffffff"></AlternatingRowStyle>
               <RowStyle CssClass="TD-BG-BAI" BackColor="white" Height="22"></RowStyle>
            <HeaderStyle HorizontalAlign="Center" CssClass="TR-LAN" BackColor="#CCCC99" Height="24"></HeaderStyle>
            <Columns>
             <asp:CommandField ShowSelectButton="true" HeaderStyle-Width="5%"
      &n