使用模版列
<asp:TemplateField > <HeaderStyle Width="240px" /> <HeaderTemplate>商品名称</HeaderTemplate> <ItemTemplate> <asp:Label ID="lbl02" runat="server" Text='<%#Eval("goods_name").ToString().Length>20? Eval("goods_name").ToString().Substring(0,19)+"...":Eval("goods_name").ToString()%>' ToolTip='<%#Bind("goods_name") %>' ></asp:Label> </ItemTemplate> </asp:TemplateField>