In the client side,
<asp:gridview id="grd" runat="server" emptydatatext="No Records" autogeneratecolumns="false">
<columns>
<asp:templatefield headertext="Num">
<itemtemplate><%#Eval("Numth")%></itemtemplate>
<asp:templatefield headertext="Data">
<itemtemplate><%#Eval("Data")%></itemtemplate>
</columns>
In server side,
grd.Datasource=ds;
grd.DataBind();