[英]Dynamic radiobutton
This is aspx page which have datalist in datalist radio buttons are there.这是在 datalist 单选按钮中有 datalist 的 aspx 页面。 it is where radio button comning dynamicly i want to check all radio buttons are checked or not through javascript please help me
这是单选按钮动态的地方我想检查所有单选按钮是否通过javascript检查请帮助我
<asp:DataList ID="TF_DataList" runat="server" RepeatDirection="Vertical" OnItemCreated="TF_Datalist_ItemCreated">
<ItemTemplate>
<table style="text-align:left;">
<tr>
<td valign="top" align="left" nowrap="nowrap">
<asp:RadioButton ID="lbTrue" runat="server" GroupName="ans" Text="T" onclick="Radcheck();"/>
<asp:RadioButton ID="lbFalse" runat="server" GroupName="ans" Text="F" onclick="Radcheck();"/>
</td>
<td> </td>
<td runat="server" id="AnswerContentTD" style="text-align: left">
<asp:Label ID="lblAnswerText" runat="server" Text='<%# Eval("AnswerText")%>'></asp:Label>
</td>
</tr>
</table>
</ItemTemplate>
<ItemStyle HorizontalAlign="Left"></ItemStyle>
</asp:DataList>
Using Javascript使用 Javascript
function ValidateDataListRadio() {
var datalist = document.getElementById("<%= TF_DataList.ClientID %>");
var items = datalist.getElementsByTagName('input');
for (i = 0; i < items.length; i++) {
if (items[i].type == "radio" && items[i].checked)) {
return true;
}
}
//alert("none selected");
return false;
}
If you are using jQuery如果您使用的是 jQuery
Slight change in Markup.标记略有变化。 Added a CssClass to RadioButton
向 RadioButton 添加了一个 CssClass
<asp:RadioButton ID="lbTrue" runat="server"
ClassName="radiobutton"
GroupName="ans"
Text="T" />
Code代码
function ValidateDataListRadio() {
return $(".radiobutton").is(':checked').length;
}
声明:本站的技术帖子网页,遵循CC BY-SA 4.0协议,如果您需要转载,请注明本站网址或者原文地址。任何问题请咨询:yoyou2525@163.com.