Tuesday, 29 August 2017

Implement ASP.Net RadioButtonList SelectedIndexChanged event in JavaScript

Implement ASP.Net RadioButtonList SelectedIndexChanged event in JavaScript
Description:

In this example we explain that how to call RadioButtonList on Change event using JavaScript. Or how to call RadioButtonList SelectedIndexChanged event in JavaScript. Or how to implement the RadioButtonList SelectedIndexChanged event using JavaScript.

As we know that the SelectedIndexChanged Event in asp.net is a Server Side event so the question is that how to call that event at client side using JavaScript.

So here we demonstrate that how to call or implement the selectedchangedevent of the RadioButtonList  using JavaScript at client side.
Code:


<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="test.aspx.cs" Inherits="SWS.Dashboard.test" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head id="Head1" runat="server">
  
    <script type="text/javascript">
        window.onload = function () {
            var rbl = document.getElementById("<%=rdbGameList.ClientID %>");
            var radio = rbl.getElementsByTagName("INPUT");
            for (var i = 0; i < radio.length; i++) {
                radio[i].onchange = function () {
                    var radio = this;
                    var label = radio.parentNode.getElementsByTagName("LABEL")[0];
                    alert("SelectedText: " + label.innerHTML
                + "\nSelectedValue: " + radio.value);
                };
            }
        };
</script>
    <title>Implement ASP.Net RadioButtonList SelectedIndexChanged event in jQuery</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
        <h1>
            Select Your favourite Games ?
        </h1>
        <hr />
        <br />
        <asp:RadioButtonList ID="rdbGameList" runat="server">
            <asp:ListItem Text="Cricket" Value="1"></asp:ListItem>
            <asp:ListItem Text="Tennis" Value="2"></asp:ListItem>
            <asp:ListItem Text="FootBall" Value="3"></asp:ListItem>
            <asp:ListItem Text="VoleyBall" Value="4"></asp:ListItem>
        </asp:RadioButtonList>
    </div>
    </form>
</body>
</html>



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