怎么在datalist中 根据是否有内容 显示、隐藏块

Question

我想在datalist中 判断是否有某项  没有就隐藏那个块   有人知道怎么弄么？ 原来是<div style="width:170px;word-wrap:break-word; line-height:22px; "><span style="font-family: 黑体; font-size:9pt;color: #009900">简&nbsp;&nbsp;介：</span><span style=""> <%#Eval("re")%></span></div>   
现在想用 <%#Eval("re").ToString().Length > 0?.....:...%>  来实现   有人知道怎么弄么？  3Q
新手 问点小白问题  知道的多多指教 说详细点 谢谢

Answer 1

div style="width:170px;word-wrap:break-word; line-height:22px;visibility:<%#Eval("re").ToString().Length > 0?"visible":"hidden"%> "><span style="font-family: 黑体; font-size:9pt;color: #009900">简&nbsp;&nbsp;介：</span><span style=""> <%#Eval("re")%></span></div>   

Answer 2

<div style="width:170px;word-wrap:break-word; line-height:22px;visibility:<%#Eval("re").ToString().Length > 0?"visible":"hidden"%> "><span style="font-family: 黑体; font-size:9pt;color: #009900">简&nbsp;&nbsp;介：</span><span style=""> <%#Eval("re")%></span></div>

Answer 3

我试下看   怎么没想到去设置 style