<asp:GridView ID="GridView1" runat="server" CellPadding="4" ForeColor="#333333" style="font-size: small; color: #000000" 
                          AllowPaging="True" EmptyDataText="Nessuno elemento visualizzato" PageSize="20" 
                          ShowFooter="True" ShowHeaderWhenEmpty="True" Width="933px" 
                          AutoGenerateColumns="False" EnableModelValidation="True" DataKeyNames="codice">
                          <AlternatingRowStyle BackColor="White" />
                          <Columns>
                              <asp:ButtonField ButtonType="Image" Text="Stampa" CommandName="Stampa" ImageUrl="~/image/Stampa.png">
                              <HeaderStyle Width="24px" />
                              </asp:ButtonField>
                              <asp:BoundField DataField="codice" HeaderText="Cod.Db" ReadOnly="True" SortExpression="codice" >
                              <HeaderStyle Width="50px" />
                              </asp:BoundField>
                              <asp:BoundField DataField="descrizione" HeaderText="Nome struttura" SortExpression="descrizione" >
                              <HeaderStyle Width="280px" />
                              <ItemStyle HorizontalAlign="Left" />
                              </asp:BoundField>
                              <asp:BoundField DataField="categoria" HeaderText="Categoria" SortExpression="indirizzo" >
                              <HeaderStyle Width="230px" />
                              <ItemStyle HorizontalAlign="Left" />
                              </asp:BoundField>
                              <asp:BoundField DataField="telefono" HeaderText="Telefono" SortExpression="telefono" >
                              <HeaderStyle Width="150px" />
                              <ItemStyle HorizontalAlign="Left" />
                              </asp:BoundField>
                          </Columns>
                          <EditRowStyle BackColor="#2461BF" />
                          <FooterStyle BackColor="#507CD1" Font-Bold="False" ForeColor="White" />
                          <HeaderStyle BackColor="#507CD1" Font-Bold="False" ForeColor="White" />
                          <PagerStyle BackColor="#2461BF" ForeColor="White" HorizontalAlign="Center" />
                          <RowStyle BackColor="#EFF3FB" />
                          <SelectedRowStyle BackColor="#D1DDF1" Font-Bold="False" ForeColor="#333333" />
                      </asp:GridView>