<a href="javascript:location.href=encodeURI('zhuanInfob.aspx?C1=<%#Eval("cityA")%>&C2=<%#Eval("cityB")%>') " target="_blank" ><%#Eval ("cityA")%>—><%# Eval("cityB") %></a>
原文
http://bbs.csdn.net/topics/380235117