Repeater 中的动态超链接

前台： <a href="<%# ChangeUrl(Eval("ID").ToString(),Eval("fk").ToString()) %>"  Target="_blanks"> <%#Eval("Name")%></a>

后台：

  public string ChangeUrl(string id,string fid)
        {
            try
            {
                string Url = "";
                if (id.Equals(fid))
                {
                    Url = "OtherViews.aspx?id=" + id + "&fid=" + fid;
                }
                else
                {
                    Url = "MainViews.aspx?id="+id+"&fid="+fid;
                }
                return Url;
            }
            catch (Exception)
            {

                return "";
               
            }