protected void Page_Load(object sender, EventArgs e)
        {
            int primaryKey;

            // Set the content type
            Response.ContentType = "text/plain";
            Response.ContentEncoding = Encoding.UTF8;

            // POSTed data
            primaryKey = int.Parse(Request.Form["id"]);

            if (DeleteStudentFromDB(primaryKey))
            {
                Response.Write(string.Format("id={0}", primaryKey));
            }
            else
            {
                // Return error string as "error : some error message"
                Response.Write(OutputError("failed to delete student with id {0}", primaryKey));
            }  
        }

        private bool DeleteStudentFromDB(int primaryKey)
        {
            SqlConnection connection;
            SqlCommand command;
            int recordsRemoved;
            bool result = false;

            connection = new SqlConnection(WebConfigurationManager.ConnectionStrings["DatabaseConnectionString"].ConnectionString);

            command = new SqlCommand("DELETE FROM Student WHERE Id=@Id", connection);
            command.Parameters.AddWithValue("@Id", primaryKey);

            using (connection)
            {
                connection.Open();

                recordsRemoved = command.ExecuteNonQuery();
                if (recordsRemoved > 0)
                {
                    result = true;
                }
            }

            return result;
        }