<asp:TemplateField SortExpression="U_DWDM" HeaderText="所属单位">
                        <ItemTemplate>
                            <%#(new wyzhxt.BLL.Manager.DHQK05()).GetModel(Eval("U_DWDM").ToString()) == null ? "" : (new wyzhxt.BLL.Manager.DHQK05()).GetModel(Eval("U_DWDM").ToString()).DW_MC%>
                        </ItemTemplate>
                    </asp:TemplateField>这样能执行,懒得再去写个函数了!