Programme of RadioButton and CheckBox Controls
add a new form in the project and write the below code by designing the form as following :

Code under “Show Selected Radio Button” button’s click event
if (radioButton1.Checked) MessageBox.Show("Radio Button1 is selected"); else if (radioButton2.Checked) MessageBox.Show("Radio Button2 is selected"); else if (radioButton3.Checked) MessageBox.Show("Radio Button3 is selected");
Code under “Show Selected Check Box’s” button’s click event:
if (checkBox1.Checked) MessageBox.Show("Check Box1 is selected"); if (checkBox2.Checked) MessageBox.Show("Check Box2 is selected"); if (checkBox3.Checked) MessageBox.Show("Check Box3 is selected");