<asp:GridView ID="gvList" runat="server" Width="100%">
  <Columns>
    <asp:TemplateField HeaderText="序号" HeaderStyle-Width="10%">
      <ItemTemplate>
        <%# (Container.DataItemIndex + 1).ToString()%>
      </ItemTemplate>
    </asp:TemplateField>
    <asp:TemplateField HeaderText="地市">
      <ItemTemplate>
        <%# Eval("City").ToString()%>
      </ItemTemplate>
    </asp:TemplateField>
    <asp:TemplateField HeaderText="企业名称">
      <ItemTemplate>
          <%# Eval("Com_Name")%>
      </ItemTemplate>
    </asp:TemplateField>
  </Columns>
</asp:GridView>