When a link is clicked, browser has no action or did not redirect

Problem: 
Web Browser (IE, FireFox) has no action or did not redirect when user click on the link.

Below is the return asp.net page which rendered by a Browser:

<a id="ctl00_ctl35_g_1618f662_a3f9_4368_a6c2_75c2ad0c6eff_lnkOverdueCnt"
      href="http://www.123.com/pages/Dailytask.aspx?DiscID1=c100 ISCS&amp;FilterDate=2015-03-30T00:00:00Z">                 <table class="taskgroup" cellpadding="0" cellspacing="0">                    <tr>                        <td class="legend ov ...