RadioButton

Thursday, September 12, 2013

September 12, 2013

How to Use Radio Button in: WPF

This is another control derives from the Toggle Button. It has a different in-built feature that the toggle button doesn’t have. That feature is mutual exclusion, it means if 2 or more radio buttons are grouped together on a form/user control, then only one can be checked at a time. User cant checked multiple radio buttons.

When we check a radio button, all others got unchecked in a single group. Following code will show three radio buttons having individual state:

Run the above code and it will display three radio buttons displayed in the following image:

As the toggle button, it has also IsThreeState property for enable its all three states to be used. To group more than radio buttons we have to specify the same GroupName for all the radio buttons.

To show some text with a radio button, we have to use content property as used in above code.

Wednesday, August 28, 2013

ASP.NET RadioButton

August 28, 2013

How to use RadioButton Control in ASP.NET

The RadioButton Control

Similar to the CheckBox control , a RadioButton control creates a single radio button . The RadioButton control exists within the System.Web.UI.WebControls namespace . The RadioButton controls can be grouped, where only one RadioButton control can be selected at a time. In web forms, You have to set the RadioButton's GroupName property to the same value to associate them into a group.

Use of the RadioButton

Where you want to select only single item in given multiple items.
In BioData Forms you have to select gender

How to use RadioButton Control in ASP.NET

Public Properties of the RadioButton Class

GroupName : Obtains the name of the group to which radio button belongs.

Example of RadioButton Control in ASP.NET

<%@ Page Language="C#" %>

<!DOCTYPE html>

<script runat="server">

protected void RadioButton1_CheckedChanged(object sender, EventArgs e)
{
result.Text = "You have Selected <br/>" + RadioButton1.Text;
RadioButton2.Checked = false;

}

protected void RadioButton2_CheckedChanged(object sender, EventArgs e)
{
result.Text = "You have Selected <br/>" + RadioButton2.Text;
RadioButton1.Checked = false;

}
</script>

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
</head>
<body>
<form id="form1" runat="server">
<div>
<h3>RadioButton Example

</h3>
<h3>Select The car you want to Buy</h3>
<p>
<asp:RadioButton ID="RadioButton1" runat="server" AutoPostBack="True" OnCheckedChanged="RadioButton1_CheckedChanged" Text="Maruti Zen" />
</p>
<p>
<asp:RadioButton ID="RadioButton2" runat="server" AutoPostBack="True" Text="Honda City" OnCheckedChanged="RadioButton2_CheckedChanged" />
</p>
<p>
<asp:Label ID="result" runat="server"></asp:Label>
</p>

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

OutPut