怎样在datagrid中增加一列数据表中不存在的列？

Question

eg:
 select someValue,col1,col2,... from a

Answer 1

<asp:DataGrid id="topten" Runat="server" style="BORDER-TOP-WIDTH: 0px; BORDER-LEFT-WIDTH: 0px; BORDER-BOTTOM-WIDTH: 0px; BORDER-RIGHT-WIDTH: 0px" cellSpacing="2" cellPadding="0" border="0" AutoGenerateColumns="False" ShowHeader="False">
<Columns>
  <asp:TemplateColumn>
    <ItemTemplate>
      <img src="Images/list1.gif">
    </ItemTemplate>
  </asp:TemplateColumn>
  <asp:TemplateColumn>
    <ItemTemplate>
      <a class=topten href='ShowDetail.aspx?id=<%#DataBinder.Eval(Container.DataItem,"objectGuid")%>' target="_blank">
        <%#DataBinder.Eval(Container.DataItem,"Title")%>
      </a><font style="font-szie:10px;color:#0000ee">(<%# DataBinder.Eval(Container.DataItem,"HitCount")%>)</font>
    </ItemTemplate>
  </asp:TemplateColumn>
</Columns>
</asp:DataGrid>

Answer 2

http://xml.sz.luohuedu.net/xml/ShowDetail.asp?id=B131BF6E-B35B-413C-9DCE-E755242FA795

Answer 3

http://xml.sz.luohuedu.net/xml/ShowDetail.asp?id=175C1EA1-A261-45D3-B5AC-94F6CACCDDEF