绑定单选按钮的GroupName是指将多个单选按钮组织在一起，使其只能选择其中的一个。下面是一个使用C#的示例代码：

using System.Windows.Forms;

public class RadioButtonExample : Form
{
    private RadioButton radioButton1;
    private RadioButton radioButton2;
    private RadioButton radioButton3;

    public RadioButtonExample()
    {
        // 创建单选按钮
        radioButton1 = new RadioButton();
        radioButton2 = new RadioButton();
        radioButton3 = new RadioButton();

        // 设置单选按钮的文本和位置
        radioButton1.Text = "选项1";
        radioButton1.Location = new System.Drawing.Point(10, 10);
        
        radioButton2.Text = "选项2";
        radioButton2.Location = new System.Drawing.Point(10, 30);
        
        radioButton3.Text = "选项3";
        radioButton3.Location = new System.Drawing.Point(10, 50);

        // 创建一个单选按钮组
        GroupBox groupBox = new GroupBox();
        groupBox.Text = "选择项";
        groupBox.Location = new System.Drawing.Point(10, 10);
        groupBox.Width = 100;
        groupBox.Height = 100;

        // 将单选按钮添加到单选按钮组
        groupBox.Controls.Add(radioButton1);
        groupBox.Controls.Add(radioButton2);
        groupBox.Controls.Add(radioButton3);

        // 添加事件处理程序
        radioButton1.CheckedChanged += new System.EventHandler(radioButton_CheckedChanged);
        radioButton2.CheckedChanged += new System.EventHandler(radioButton_CheckedChanged);
        radioButton3.CheckedChanged += new System.EventHandler(radioButton_CheckedChanged);

        // 将单选按钮组添加到窗体
        this.Controls.Add(groupBox);
    }

    private void radioButton_CheckedChanged(object sender, EventArgs e)
    {
        // 获取选中的单选按钮的文本
        RadioButton radioButton = (RadioButton)sender;
        if (radioButton.Checked)
        {
            MessageBox.Show("你选择了：" + radioButton.Text);
        }
    }

    public static void Main()
    {
        Application.Run(new RadioButtonExample());
    }
}

在上面的示例代码中，我们创建了三个单选按钮，并将它们添加到一个单选按钮组中。然后，我们为每个单选按钮的CheckedChanged事件添加了一个事件处理程序。当用户选择一个单选按钮时，事件处理程序会弹出一个消息框，显示所选单选按钮的文本。