How I Save Dyanamically Create Control Data Into Database On Button Click?

try
            {
                con_data.con.Open();
                string sql = "select * from t_qus_ans ";
                SqlCommand cmd = new SqlCommand(sql,con_data.con);
                SqlDataReader dr = cmd.ExecuteReader();
                if (dr.HasRows)
                {
                    while (dr.Read())
                    {                   
                            HtmlTableRow row = new HtmlTableRow();
                            HtmlTableRow row1 = new HtmlTableRow();
                            HtmlTableCell cel1 = new HtmlTableCell();
                            Label lblqus = new Label();                         
                            cel1.Controls.Add(lblqus);
                            Label label1 = new Label();                        
                            label1.Text = dr.GetValue(3).ToString();
                            cel1.Controls.Add(label1);
                            cel1.ColSpan = 4;
                            row1.Cells.Add(cel1);
                            table2.Rows.Add(row1);
                            for (int i = 4; i <8; i++)
                            {
                                HtmlTableCell cell = new HtmlTableCell();
                                RadioButton radioButton = new RadioButton();
                                Label lblno = new Label();
                                lblno.Text = "(" + (i-3).ToString() + ")";
                                cell.Controls.Add(lblno);
                                radioButton.Text = dr.GetValue(i).ToString();
                                radioButton.GroupName = dr.GetValue(3).ToString();
                                radioButton.ID = dr.GetValue(i).ToString();
                                
                                cell.Controls.Add(radioButton);
                                row.Cells.Add(cell);
                                                     
                           }
                            table2.Rows.Add(row);
                            
                        
                    }
                }
                con_data.con.Close();
            }
            catch (Exception ex)
            {

            }
            finally
            {
                if (con_data.con.State == ConnectionState.Open)
                {
                    con_data.con.Close();
                }
            }