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Friday, January 28, 2011

RadioButtonList

Validating RadioButtonList
--------------------------------
<script type = "text/javascript">
function Validate()
{
var RB1 = document.getElementById("<%=RadioButtonList1.ClientID%>");
var radio = RB1.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 an item");
}
return isChecked;
}
</script>

--------------------------------example-------------------------
<asp:Button ID="Button1" runat="server" Text="Validate" OnClientClick =

"return Validate()" />


Getting SelectedText and SelectedValue
---------------------------------------
<script type = "text/javascript">

function GetSelectedItem()
{
var RB1 = document.getElementById("<%=RadioButtonList1.ClientID%>");
var radio = RB1.getElementsByTagName("input");
var label = RB1.getElementsByTagName("label");
for (var i=0;i<radio.length;i++)
{
if (radio[i].checked)
{
alert("SelectedText = " + label[i].innerHTML);
alert("SelectedValue = " + radio[i].value);
}
}
return false;
}
</script>

------------------------example--------------------
<asp:Button ID="Button2" runat="server" Text="SelectedItem" OnClientClick

= "return GetSelectedItem()" />

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