代码如下<asp:CheckBox ID="cbZiChanZongEZeng" runat="server" Text="增长"/>
<asp:CheckBox ID="cbZiChanZongEWu" runat="server" Text="无变化" />
<asp:CheckBox ID="cbZiChanZongEJiang" runat="server" Text="略降" />
<asp:CheckBox ID="cbZiChanZongEBian" runat="server" Text="恶变" />
多个CheckBox控件放在一起,默认是可以多选择的,如何变成单选,应该采用什么方法呢?指教!
<asp:CheckBox ID="cbZiChanZongEWu" runat="server" Text="无变化" />
<asp:CheckBox ID="cbZiChanZongEJiang" runat="server" Text="略降" />
<asp:CheckBox ID="cbZiChanZongEBian" runat="server" Text="恶变" />
多个CheckBox控件放在一起,默认是可以多选择的,如何变成单选,应该采用什么方法呢?指教!
<body>
<input type="checkbox" name="ck" id="ck0" onclick="check(this)" />check0<br/>
<input type="checkbox" name="ck" id="ck1" onclick="check(this)" />check1<br/>
<input type="checkbox" name="ck" id="ck2" onclick="check(this)" />check2<br/>
<input type="checkbox" name="ck" id="ck3" onclick="check(this)" />check3
<script>
function check(elt){
if(elt.checked == true){
unchecked();
elt.checked = true;
}
}
// set all checkboxs unchecked
function unchecked(){
var cks = document.getElementsByName('ck');
if(cks != null && cks.length > 0){
for(var i=0;i<cks.length;i++){
cks[i].checked = false;
}
}
}
</script>
</body>
</html>