pastebin - collaborative debugging

private void SaveToExcel(IList personList)
        {

            //Make sure folder where the template lies  has full permission

            //This lets you know what user is running the system
            Debug.Print(Environment.UserDomainName + "\\" + Environment.UserName);

            string connectionString = "Provider=Microsoft.Jet.OLEDB.4.0;" + "Data Source=" +            System.Configuration.ConfigurationManager.AppSettings["ExcelPath"] + ";Extended Properties=" + (char)34 + "Excel 8.0;HDR=Yes;" + (char)34;

            if (File.Exists(System.Configuration.ConfigurationManager.AppSettings["ExcelFilePath"]))
                File.Delete(System.Configuration.ConfigurationManager.AppSettings["ExcelFilePath"]);

            DbProviderFactory factory = DbProviderFactories.GetFactory("System.Data.OleDb");

            using (DbConnection connection = factory.CreateConnection())
            {
                connection.ConnectionString = connectionString;
                connection.Open();

                using (DbCommand command = connection.CreateCommand())
                {
                    command.CommandText = "CREATE TABLE Person (ID char(255), Name char(255), Age char(255))";

                    command.ExecuteNonQuery();

                    foreach(IPerson person in personList )
                    {
                        command.CommandText = "INSERT INTO Person (ID, Name, Age ) VALUES('" + person.ID + "','" + person.Name + "','" + person.Age + "') ";

                        command.ExecuteNonQuery();
                    }


                }
                connection.Close();
            }
            view.Write("<script language=\"Javascript\">window.open('OpenFile.aspx?fn=" +       System.Configuration.ConfigurationManager.AppSettings["ExcelFilePath"].Replace("\\", "\\\\") +
                      "',\"ExcelExport\");</script>");
        }