ASP.NET

<br />
<asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False" <br />
                    CellPadding="4" Font-Names="Verdana" Font-Size="Small" ForeColor="#333333" <br />
                    PageSize="900" Width="600px" EmptyDataText="No items in your cart!!" <br />
                    DataKeyNames="REF" GridLines="None" ShowFooter="True" <br />
                    onrowdatabound="GridView1_RowDataBound"><br />
                    <FooterStyle BackColor="#1C5E55" ForeColor="#FFFFFF" Font-Bold="True" /><br />
                    <RowStyle BackColor="#E3EAEB" /><br />
            <Columns><br />
                <asp:BoundField DataField="REF" HeaderText="REF" SortExpression="REF" <br />
                    ItemStyle-Width="60px" ><br />
<ItemStyle Width="60px"></ItemStyle><br />
                </asp:BoundField><br />
                <asp:TemplateField HeaderText="product_id" Visible="False"><br />
                <ItemTemplate><br />
                <asp:Label ID="lblProduct_Id" runat="server" Text='<%# Eval("REF") %>'></asp:Label><br />
                </ItemTemplate><br />
                </asp:TemplateField><br />
                <br />
                <asp:BoundField DataField="Description" HeaderText="Description" <br />
                    SortExpression="Description" ItemStyle-Width="300px" ><br />
<ItemStyle Width="300px"></ItemStyle><br />
                </asp:BoundField><br />
                <asp:TemplateField HeaderText="Description" Visible="False"><br />
                <ItemTemplate><br />
                <asp:Label ID="lblDescription" runat="server" Text='<%# Eval("Description")%>' ></asp:Label><br />
                </ItemTemplate><br />
                </asp:TemplateField><br />
                <br />
                <asp:TemplateField HeaderText="QTY"><br />
                <ItemTemplate><br />
                <asp:TextBox ID="TxtQTY" runat="server" Width="30px" Text='<%# Eval("QTY") %>' /><br />
                </ItemTemplate><br />
                </asp:TemplateField><br />
                <br />
                <asp:BoundField DataField="Price" HeaderText="Price" SortExpression="Price" <br />
                    ItemStyle-Width="80px" ><br />
<ItemStyle Width="80px"></ItemStyle><br />
                </asp:BoundField><br />
                <asp:TemplateField HeaderText="Price" Visible="False"><br />
                <ItemTemplate><br />
                <asp:Label ID="lblPrice" runat="server" Text='<%# Eval("Price")%>' ></asp:Label><br />
                </ItemTemplate><br />
                </asp:TemplateField><br />
                <br />
                <asp:BoundField DataField="Cost" HeaderText="Cost" SortExpression="Cost" <br />
                    ItemStyle-Width="80px" ><br />
<ItemStyle Width="80px"></ItemStyle><br />
                </asp:BoundField><br />
                <asp:TemplateField HeaderText="Cost" Visible="False"><br />
                <ItemTemplate><br />
                <asp:Label ID="lblCost" runat="server" Text='<%# Eval("Cost")%>' ></asp:Label><br />
                </ItemTemplate><br />
                     <FooterTemplate><br />
                        <asp:Label ID="lblSubTotal" runat="server" ForeColor="#ffffff" /><br />
                    </FooterTemplate><br />
                </asp:TemplateField><br />
                <br />
                <asp:TemplateField HeaderText="Select"><br />
                <ItemTemplate><br />
                <asp:CheckBox ID="chkSelection" runat="server" /><br />
                </ItemTemplate><br />
                </asp:TemplateField><br />
            </Columns><br />
                    <PagerStyle BackColor="#666666" ForeColor="White" HorizontalAlign="Center" /><br />
                    <SelectedRowStyle BackColor="#C5BBAF" Font-Bold="True" ForeColor="#333333" /><br />
                    <HeaderStyle BackColor="#1C5E55" Font-Bold="True" ForeColor="White" /><br />
                    <EditRowStyle BackColor="#7C6F57" /><br />
                    <AlternatingRowStyle BackColor="White" /><br />
        </asp:GridView><br />

protected void GridView1_RowDataBound(object sender, GridViewRowEventArgs e)
{
    if (e.Row.RowType == DataControlRowType.DataRow)
    {
        Label lblCost = (Label)e.Row.FindControl("lblCost");
        float price = float.Parse(lblCost.Text);
        tprice += price;
    }

    if (e.Row.RowType == DataControlRowType.Footer)
    {
        Label lblSubTotal = (Label)e.Row.FindControl("lblSubTotal");
        lblSubTotal.Text = tprice.ToString();
    }
}

<system.serviceModel>
  <services>
    <service behaviorConfiguration="CruxServices.BasicSearchServiceBehavior"
      name="CruxServices.BasicSearch.BasicSearch">
      <endpoint address="" binding="wsHttpBinding" name="WSBindingEndpoint" bindingConfiguration="WSBindingConfig"
        contract="CruxServices.BasicSearch.Interfaces.IPropertyListFilter">
        <identity>
          <dns value="localhost" />
        </identity>
      </endpoint>
      <endpoint address="mex" binding="mexHttpBinding" name="MexEndpoint"
        contract="IMetadataExchange" />
      <host>
        <baseAddresses>
          <add baseAddress="http://localhost/CruxServices" />
        </baseAddresses>
      </host>
    </service>
  </services>
  <behaviors>
    <serviceBehaviors>
      <behavior name="CruxServices.BasicSearchServiceBehavior">
        <serviceMetadata httpGetEnabled="true" />
        <serviceDebug includeExceptionDetailInFaults="false" />
      </behavior>
    </serviceBehaviors>
  </behaviors>
  <bindings>
    <wsHttpBinding>
      <binding name="WSBindingConfig">
        <security mode="None">
          <transport clientCredentialType="None"/>
          <message establishSecurityContext="false"/>
        </security>
      </binding>
    </wsHttpBinding>
  </bindings>
</system.serviceModel>