<form id="form1" runat="server">
    <div>
        <asp:TextBox runat="server" ID="TxtID"></asp:TextBox>
        <asp:Button ID="BtnCerca" runat="server" Text="Cerca" />
        <br />
        <asp:GridView ID="GW1" runat="server" DataSourceID="ADS1" AutoGenerateColumns="true" >
            <Columns>
            </Columns>
        </asp:GridView>
        <asp:AccessDataSource id="ADS1" runat="server" DataFile="~/App_Data/db.mdb" DataSourceMode="DataSet" SelectCommand="SELECT Nome FROM Utenti WHERE Id=@ID" SelectCommandType="Text">
            <SelectParameters>
                <asp:ControlParameter ControlID="TxtID" Direction="Input" Name="ID" Type="Int32" PropertyName="Text" />
            </SelectParameters>
        </asp:AccessDataSource>
    </div>
    </form>