HyperLinkField

////////////////////////aspx

 <asp:GridView ID="gvData" runat="server" Style="border: 0px; cursor: hand;" AutoGenerateColumns="False"
        ShowHeader="True" Width="710" onclick="javascript:GoSel(event);" OnRowCreated="gvData_RowCreated">
        <Columns>
            <asp:BoundField DataField="编号" HeaderText="编号" />
            <asp:TemplateField>
                <HeaderTemplate>
                    序号
                </HeaderTemplate>
                <ItemTemplate>
                    <%#Container.DataItemIndex+1 %>
                </ItemTemplate>
                <ItemStyle HorizontalAlign="Center" Width="65" />
            </asp:TemplateField>
            <asp:BoundField DataField="文件版本" HeaderText="文件版本">
                <ItemStyle HorizontalAlign="Center" Width="143" />
            </asp:BoundField>
            <asp:BoundField DataField="手机品牌" HeaderText="手机品牌" />
            <asp:BoundField DataField="手机型号" HeaderText="手机型号" />
            <asp:BoundField DataField="上传日期" HeaderText="上传日期" DataFormatString="{0:yyyy-MM-dd}">
                <ItemStyle Width="100" />
            </asp:BoundField>
            <asp:BoundField DataField="上传人" HeaderText="上传人"></asp:BoundField>
            <asp:HyperLinkField Text="下载"  HeaderText="下载附件" DataNavigateUrlFields="上传文件" />                 
        </Columns>
    </asp:GridView>

///////////////////js

var selTr = null;
var preTrBG;
function GoSel(evt) {
    try {
        var el = evt.srcElement ? evt.srcElement : evt.target;
        if (el.tagName.toUpperCase() != "TD") return;
        var tr = el.parentNode;
        if (tr == null)
            return;

        document.getElementById("hdfID").value = tr.cells[0].innerHTML;
        if (selTr != null) {
            selTr.style.backgroundColor = preTrBG;
        }
        preTrBG = tr.style.backgroundColor;
        selTr = tr;
        tr.style.backgroundColor = "#CCCDDD";
    }
    catch (err) {
    }
}

///////////////////////////////////cs

 protected void gvData_RowCreated(object sender, GridViewRowEventArgs e)
        {
            int iPod = 0;
           
            if (e.Row.RowType == DataControlRowType.DataRow || e.Row.RowType == DataControlRowType.Header)
            {
                e.Row.Cells[0].Style.Add("display", "none");
            }
            string url = Request.Url.ToString();
            iPod = url.IndexOf("/SystemManage/SysFileUpload.aspx");

            url = url.Substring(0, iPod).Replace("http://","");
            iPod=url.IndexOf("/");
            url=url.Substring(0,iPod);

            string url1 = System.Configuration.ConfigurationManager.AppSettings["cdcshowupload"].Replace("http://", "");
            //if (url1.EndsWith("/"))
            //    url1 = url1.Substring(0, url1.Length - 1);
            iPod = url1.IndexOf('/');
            url1 = "http://"+url + url1.Substring(iPod);
            ((HyperLinkField)this.gvData.Columns[7]).DataNavigateUrlFormatString = url1+"{0}";
        }