For dyanamic radio button

public partial class MyUserControl : UserControl

    {

        public MyUserControl()

        {

            InitializeComponent();

        }

        public void AddRadioButton(int count)

        {

            for (int i = 0; i <= count; i++)

            {

                RadioButton rdo = new RadioButton();

                rdo.Name = "RadioButton" + i;

                rdo.Text = "Radio Button " + i;

                rdo.Location = new Point(5, 30 * i);

                this.Controls.Add(rdo);

            }

        }

    }