将 radiobutton 的 text 值写入到数据库 sql server 的代码

try
{
    foreach (Control ct in this.panel1.Controls)
    {
        if (ct is RadioButton && (ct as RadioButton).Checked)
        {
            using (System.Data.SqlClient.SqlConnection con = new System.Data.SqlClient.SqlConnection("连接字符串"))
            {
                System.Data.SqlClient.SqlCommand cmd = new System.Data.SqlClient.SqlCommand("insert into ...", con);
                con.Open();
                if (cmd.ExecuteNonQuery() > 0)
                {
                    MessageBox.Show("OK");
                }
                else
                {
                    MessageBox.Show("失败", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
                }
                con.Close();
            }
            return;
        }
    }
}
catch (Exception ex)
{
    MessageBox.Show(ex.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}