大家好,我的表格上有两个复选框和一个按钮
我使用下面的内容根据我的需要提醒自定义提醒
http://www.abeautifulsite.net/blog/2008/12/jquery-alert-dialogs/
<form id="form1" runat="server">
<asp:CheckBox ID="checkArray" runat="server" Text="Check Me" />
<asp:CheckBox ID="checkArray1" runat="server" Text="Check Me" />
<p>
<asp:button id="btnDelete" text="Show Alert"/>
</p>
</form>
我编写了脚本以确定是否选中了复选框,如下所示
<script type="text/javascript">
$(document).ready(function () {
$("#btnDelete").click(function () {
var inputs = document.getElementsByTagName("input");
var flag = 0;
for (var i = 0; i < rbs.length; i++) {
if (rbs[i].type == "checkbox") {
if (rbs[i].checked) {
flag = 1;
break;
}
}
}
if (flag == 0) {
alert('msg');
//var atLeastOneIsChecked = $('#checkArray :checkbox:checked').length > 0;
//if (atLeastOneIsChecked == 0) {
jAlert('Select One', 'Alert Dialog');
}
});
});
</script>
但我无法看到所需的警报。以下哪一个完美无缺
<form id="form1" runat="server">
<fieldset id="checkArray">
<div>
<input name="list" id="list0" type="checkbox" value="newsletter0">zero</div>
<div>
<input name="list" id="list1" type="checkbox" value="newsletter1">one</div>
<div>
<input name="list" id="list2" type="checkbox" value="newsletter2">two</div>
</fieldset>
<p>
<input id="btnDelete" type="button" value="Show Alert" />
</p>
</form>
<script type="text/javascript">
$(document).ready(function () {
$("#btnDelete").click(function () {
var atLeastOneIsChecked = $('#checkArray :checkbox:checked').length > 0;
if (atLeastOneIsChecked == 0) {
jAlert('Select One', 'Alert Dialog');
}
});
});
</script>
现在使用asp.net控件来解决这个问题,我应该在哪里更改,任何人都可以帮助我..
答案 0 :(得分:2)
您要保存input
中的复选框:
var inputs = document.getElementsByTagName("input");
但循环遍历rbs
:
for (var i = 0; i < rbs.length; i++) {
如果您在网站上使用jQuery,那么将jQuery用于此任务是明智的。我很确定你能做到:
$(document).ready(function () {
var form = $('#form1');
$("#btnDelete").click(function () {
if ( !form.find(':checkbox:checked').length ) {
jAlert('Select One', 'Alert Dialog');
}
});
});
...在您的ASP表单中。
答案 1 :(得分:0)
毕竟我解决了它,在脚本中加入false对我来说效果很好
<script type="text/javascript">
$(document).ready(function () {
$("#btnDelete").click(function () {
var atLeastOneIsChecked = $('#checkArray :checkbox:checked').length > 0;
if (atLeastOneIsChecked == 0) {
jAlert('Select One', 'Alert Dialog');
}
else {
$("#btnDelete").click(function () {
var atLeastOneIsChecked = $('#checkArray :checkbox:checked').length > 0;
if (atLeastOneIsChecked == 0) {
jAlert('Select One', 'Alert Dialog');
//return false;
}
else {
jConfirm('Can you confirm this?', 'Confirmation Dialog');
//return false;
}
});
}
return false;
});
});
</script>