Description:
In this example we explain that how
to check if RadioButtonList is checked or not using JavaScript.or how to
check if RadioButtonList is selected or
not selected using JavaScript.
<script type="text/javascript">
function
checkGameisSelectOrNot() {
var
rb = document.getElementById("<%=gameRadioButtonList.ClientID%>");
var
radio = rb.getElementsByTagName("input");
var
isChecked = false;
for
(var i = 0; i < radio.length; i++) {
if
(radio[i].checked) {
isChecked = true;
break;
}
}
if
(!isChecked) {
alert("Please select any Game to Move
Further!");
}
return
isChecked;
}
</script>
<title>Check if a RadioButtonList is selected (checked)
or not using JavaScript in ASP.Net
</title>
<body>
<form>
<asp:radiobuttonlist id="gameRadioButtonList"
runat="server">
<asp:ListItem Text="Cricket"
Value="1"></asp:ListItem>
<asp:ListItem Text="FootBall"
Value="2"></asp:ListItem>
<asp:ListItem Text="Tennis"
Value="3"></asp:ListItem>
</asp:radiobuttonlist>
<br
/>
<asp:button id="btnSubmit"
runat="server"
text="Check"
onclientclick="return
checkGameisSelectOrNot()" />
</form>
</body>
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