Jan 20, 2011

Get Selected Radio button’s Text in C# windows app

The object is to get selected radio button’s text in windows app using C#. It can be done in many ways. Suppose you have one group box having radio-buttons. You have to show selected radio button’s text on OK button click.

radio button c# windows app

Method 1(Traditional Approach):
1. Write following code:

String selectedText;

private void radioButton_CheckedChanged(object sender, EventArgs e)
           if (((RadioButton)sender).Checked)
            selectedText = ((RadioButton)sender).Text;  
private void buttonOK_Click(object sender, EventArgs e)
            MessageBox.Show(selectedText,"Selected Item");  

2. Now, for each radio button, Goto properties > events > give radioButton_CheckedChanged method name in CheckedChanged event and save it.

3. When you run app, select any option, radioButton_CheckedChanged is fired and text is stored in the variable and it is displayed in messagebox on button click.

I don’t like 2 step. Suppose you have many radio buttons then it is time consuming to set event for all. So, I prefer second method.

Method II:
In this method, I created a method GetSelectedRadioButtonText which accepts groupbox as a parameter and returns selected radio button’s text.

private string GetSelectedRadioButtonText(GroupBox grb) {
           return grb.Controls.OfType<RadioButton>().SingleOrDefault(rad => rad.Checked == true).Text;   
private void buttonOK_Click(object sender, EventArgs e)
            MessageBox.Show(GetSelectedRadioButtonText(groupBox1), "Selected Item");  

Hope, It helps.


    1. Can anyone send me a code to generate dynamic radio buttons on page load and get the selected dynamic radio button value on the button click in c#

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