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RadioButton Control in C#.Net


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RadioButton Control in C#.Net

RadioButton controls are used when we need to make multiple sets of choices available, but we want the user to select only one of them. If they click on a second selection after making a first, the first selection is replaced by the second.

How to use RadioButton Control

Drag and drop three RadioButton from toolbox on the window Form.

RadioButton Control in C#.Net

Code:

Write code in CheckedChanged event of RadioButton.

RadioButton Control in C#.Net

Double click on CheckedChanged event.

private void radioButton1_CheckedChanged(object sender, EventArgs e)

{

   //RadioButton1 value will show in Label1 if RadioButton1 is selected

   label1.Text ="Selcted Language is  "+ radioButton1.Text;

}

private void radioButton2_CheckedChanged(object sender, EventArgs e)

{

   //RadioButton2 value will show in Label1 if RadioButton2 is selected

    label1.Text = "Selcted Language is  " + radioButton2.Text;

}

 

 private void radioButton3_CheckedChanged(object sender, EventArgs e)

 {

    //RadioButton3 value will show in Label1 if RadioButton3 is selected

    label1.Text = "Selcted Language is  " + radioButton3.Text;

 }

 Run the project

RadioButton Control in C#.Net

 

When you select any given option then CheckedChanged event will fire and selected value will show in the Label.

RadioButton Control in C#.Net

RadioButton Properties:

Appearance: Default value is Normal. Set the value to Button if you want the RadioButton to be displayed as a Button.

Example:

//set checkbox appearance as button

private void frmRadioButton_Load(object sender, EventArgs e)

{

      radioButton1.Appearance = Appearance.Button;

      radioButton2.Appearance = Appearance.Button;

      radioButton3.Appearance = Appearance.Button;

}

RadioButton Control in C#.Net

Now RadioButton appearance is as button.

CheckAlign: CheckAlign property is used to align the check mark in a RadioButton.

BackColor:  RadioButton BackColor can be changed through BackColor Properties of RadioButton.

Example:

//Change RadioButton BackColor

private void frmRadioButton_Load(object sender, EventArgs e)

{  

      radioButton1.BackColor = Color.CadetBlue;

      radioButton2.BackColor = Color.CadetBlue;

      radioButton3.BackColor = Color.CadetBlue;

}

RadioButton Control in C#.Net


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