<asp:GridView ID="GridView1" runat="server" AllowSorting="true" Width="100%" OnRowDeleting="GridView1_RowDeleting"
                                    OnRowDataBound="GridView1_RowDataBound" DataKeyNames="Id" PageSize="4" CssClass="lista"
                                    GridLines="None" ForeColor="#333333" CellPadding="4" 
                                    AutoGenerateColumns="False" EnableViewState="False">
                                    <footerstyle BackColor="#81ABBA" Font-Bold="True" ForeColor="White" />
                                    <columns>
                                     <asp:TemplateField HeaderText="Attività" >
                                         <itemtemplate> <span class="Riga_Grid"> <%# Eval("Activity.Description")%> </span> </itemtemplate>
                                         <itemstyle HorizontalAlign="Left" Width="40%" />
                                         <headerstyle HorizontalAlign="Left" />
                                     </asp:TemplateField>
                                     <asp:BoundField DataField="Kcal" HeaderText="Kcal" SortExpression="Kcal" DataFormatString="{0:0,0}" HtmlEncode="false">
                                         <itemstyle HorizontalAlign="Right" Width="15%"  />
                                         <headerstyle HorizontalAlign="Right" />
                                     </asp:BoundField>
                                     <asp:BoundField DataField="Ore" HeaderText="Ore">
                                         <itemstyle HorizontalAlign="Right" />
                                         <headerstyle HorizontalAlign="Right" />
                                     </asp:BoundField>
                                     <asp:BoundField DataField="Minuti" HeaderText="Minuti">
                                         <itemstyle HorizontalAlign="Right" />
                                         <headerstyle HorizontalAlign="Right" />
                                     </asp:BoundField>
                                     <asp:TemplateField InsertVisible="False" ShowHeader="False">
                                         <itemtemplate>
                                             <asp:ImageButton ID="btnDelAttivita" runat="server" CausesValidation="False" CommandName="Delete" ImageUrl="~/Images/cross.png" />
                                         </itemtemplate>
                                     </asp:TemplateField>
                                    </columns>
                                    <RowStyle BackColor="#EFF3FB" CssClass="Riga_Grid" />
                                    <EditRowStyle BackColor="#81ABBA" />
                                    <SelectedRowStyle BackColor="#D1DDF1" Font-Bold="True" ForeColor="#333333" />
                                    <pagerstyle BackColor="#81ABBA" ForeColor="White" HorizontalAlign="Center" />
                                    <headerstyle BackColor="white" Font-Bold="True" ForeColor="#333333" />
                                    <AlternatingRowStyle BackColor="White" />
                                </asp:GridView>