学步园

 <asp:TemplateField ItemStyle-HorizontalAlign="Center">
                            <ItemTemplate>
                                <asp:ImageButton ID="ibtDownloadAttachment" runat="server" ImageUrl="~/images/download.png"
                                    OnClientClick='<%# Eval("AttachmentURL","javascript:window.open(\"{0}\")")%>' />
                            </ItemTemplate>
                        </asp:TemplateField>

这个"

AttachmentURL

"是后台绑定数据的一个列明