How to show the string Date Time Now in Table header Cell ASP.Net

Dear All,

 May i know how to show the string Date time now in Table header Cell ?

 I have tried as below code, but it doesnt work,kindly advise. thank you.

  <asp:Table ID="Table1" runat="server">
        <asp:TableHeaderRow  ID="TableHeaderRow1" runat="server" ForeColor="Black" Font-Size="Medium">
            <asp:TableHeaderCell BorderColor="Black" BorderWidth="0" ColumnSpan="4" HorizontalAlign="Center">
            Q2 Daily KPI Performance <%# Eval( String.Format("{0:yyyy-MM-d }",DateTime.Now)) %>
            </asp:TableHeaderCell>
        </asp:TableHeaderRow >
             
</asp:Table>

 <%# Eval( String.Format("{0:yyyy-MM-d }",DateTime.Now)) %>