private void btn_addAnswer_Click(object sender, EventArgs e)
{
Answer_OnlyOneSelect OneChoiceAnswer = new Answer_OnlyOneSelect();
i++;
OneChoiceAnswer.Tag = i;
OneChoiceAnswer.ID_Answer = i;
OneChoiceAnswer.onDelete += OneChoiceAnswer_onDelete;
OneChoiceAnswer.onCheck += OneChoiceAnswer_onCheck;
OneChoiceAnswer.rad_check.Text = Convert.ToChar(a).ToString();
flp_addAnswer.Controls.Add(OneChoiceAnswer);
for (int j = 0; j < flp_addAnswer.Controls.Count; j++)
{
OneChoiceAnswer.rad_check.Text = Convert.ToChar(a+j).ToString();
}
}