Creating control at runtime in C#Codebehind

 private DataSet GetTemplatesDs()
        {
            con.Open();
            string sqlToExecute = "select TemplateName,Subject  from Template";
            SqlDataAdapter da = new SqlDataAdapter(sqlToExecute, con);
            DataSet ds = new DataSet();
            da.Fill(ds, "Distribution_Mail_Template");
            con.Close();
            Session["TemplatesDs"] = ds;
            return ds;
        }

private void PopulateUI()//user defined function
{
                  Label[] additionalApplicants;
                  DataSet gettemplatesDs = GetTemplatesDs()
                        if (gettemplatesDs .Tables.Count > 0 && gettemplatesDs .Tables.Count > 0)
                        {
                            for (int i = 0; i < gettemplatesDs .Tables[0].Rows.Count; i++)
                            {
                                additionalApplicants = new Label[gettemplatesDs .Tables[0].Rows.Count];
                                additionalApplicants[i] = new Label();
                                additionalApplicants[i].ID = gettemplatesDs .Tables[0].Rows[0][""].ToString();
                                additionalApplicants[i].Text =gettemplatesDs .Tables[0].Rows[0][""].ToString();
                               this.Page.Controls.Add(additionalApplicants); //Adding controls to webpage
                            }
                        }
     }