Get dropdownlist selected value in jQuery

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get dropdownlist selected value in jquery
In web application we need to get dropdown value at client side. We will see the example of how to get dropdown value in jQuery.

Code to get dropdown value in jQuery 


<html xmlns="http://www.w3.org/1999/xhtml">
<head id="Head1" runat="server">
  <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.7.1/jquery.min.js"> type="text/javascript"> </script>

  <title>Get dropdown value</title>
  <script type="text/javascript">
    $(document).ready(function () {
      $("#go").click(function () {
        var text = $("#numbers option:selected").text();
        var value = $("#numbers option:selected").val();
        alert("Selected text=" + text + " Selected value= " + value);
      });
    });
  </script>
</head>
<body>
  <form id="form1" runat="server">
  <div>
    <asp:DropDownList ID="numbers" runat="server">
      <asp:ListItem Text="1" Value="1"></asp:ListItem>
      <asp:ListItem Text="2" Value="2"></asp:ListItem>
      <asp:ListItem Text="3" Value="3"></asp:ListItem>
    </asp:DropDownList>
  </div>
  <input type="button" id="go" value="Go" />
  </form>
</body>
</html>

Get radio button value in jQuery

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Get radio button value in jquery
When using radio buttons in web application we need to get value of radio buttons at clientside. We can use jQuery to get radio button value in jQuery.

Code that shows how to get radio button value in jQuery

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<script src="Scripts/jquery-1.4.1.js" type="text/javascript"></script>
<script src="Scripts/jquery-1.4.1.min.js" type="text/javascript"></script>
<title>Get radio button value</title>
<script type="text/javascript">
$(document).ready(function () {
$("#submit").click(function () {
var number = $("input[@name=numbers]:checked").val();
alert(number);
});
});
</script>
</head>
<body>
<form id="form1" runat="server">
<div>
<input type="radio" name="numbers" value="0" checked="checked" style="display:none" /> 
<input type="radio" name="numbers" value="1" /> 
<input type="radio" name="numbers" value="2" /> 
<input type="radio" name="numbers" value="3" /> 
<input id="submit" type="button" value="Submit"/>
</div>
</form>
</body>
</html>

Output

jQuery Tabs - UI

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jquery tab
jQuery UI libaries provied good controls. jQuery UI contains tab control that is used to show tabed formatted data. We will see example how to show jquery tabs.
Before starting implementation we need to download jQuery libraries.http://jqueryui.com/download.

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<script src="development-bundle/jquery-1.7.1.js" type="text/javascript"></script>
<script src="js/jquery-1.7.1.min.js" type="text/javascript"></script>
<script src="js/jquery-ui-1.8.18.custom.min.js" type="text/javascript"></script>
<script src="development-bundle/ui/jquery.ui.widget.js" type="text/javascript"></script>
<script src="development-bundle/ui/jquery.ui.tabs.js" type="text/javascript"></script>

<link href="Styles/jquery-ui-1.8.18.custom.css" rel="stylesheet" type="text/css" />
<title></title>

<script type="text/javascript">
$(function () {
// Tabs
$('#tabs').tabs();
});

</script>
</head>
<body>
<form id="form1" runat="server">
<div id="tabs">

<ul>
<li><a href="#tabs-1">Tab1</a></li>
<li><a href="#tabs-2">Tab2</a></li>
<li><a href="#tabs-3">Tab3</a></li>
</ul>
<div id="tabs-1">Tab1 Contents.</div>
<div id="tabs-2">Tab2 Contents.</div>
<div id="tabs-3">Tab3 Contents.</div>

</div>
</form>
</body>
</html>

Show jQuery popup dialog

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jquery dialog
In web applications we need to show popup dialog to show errors or dialog to show message or to show confirmation dailog with ok and cancel button. jQuery UI library provides easy way to show dialog as model or simple dailog. For that we need to add ui js libraries in application.

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <script src="development-bundle/jquery-1.7.1.js" type="text/javascript"></script>
    <script src="js/jquery-1.7.1.min.js" type="text/javascript"></script>
    <script src="js/jquery-ui-1.8.18.custom.min.js" type="text/javascript"></script>
    <script src="development-bundle/ui/jquery.ui.widget.js" type="text/javascript"></script>
    <script src="development-bundle/ui/jquery.ui.dialog.js" type="text/javascript"></script>
    <link href="Styles/jquery-ui-1.8.18.custom.css" rel="stylesheet" type="text/css" />
    <title>jQuery Popup</title>
    <script type="text/javascript">
        $(function () {
            // Dialog  
            $('#dialog').dialog({
                autoOpen: false,
                width: 600,
                buttons: {
                    "Ok": function () {
                        $(this).dialog("close");
                    },
                    "Cancel": function () {
                        $(this).dialog("close");
                    }
                }
            });
            // Dialog Link
            $('#btnDelete').click(function () {
                $('#dialog').dialog('open');
                return false;
            });
        });
    </script>
</head>
<body>
    <form id="form1" runat="server">
    <div id="dialog" title="Dialog Title">
        <p>
            Do you want to delete record?</p>
    </div>
    <input type="button" id="btnDelete" value="Delete" />
    </form>
</body>
</html>

Confirmationbox in javascript

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show confirmationbox in javascript
In asp.net we need to show javascript confirmation box before doing some action.For example if we want to delete some record on the form, and we need users confirmation before deletion happens.

Sample code to show confirmation box in Javascript

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
<script type="text/javascript">
function Confirmation() {
if (confirm("Do you want to delete record?") == true)
return true;
else
return false;
}
</script>
</head>
<body>
<form id="form1" runat="server">
<div>
<input type="button" value="Submit" onclick="return Confirmation();" />
</div>
</form>
</body>
</html>