private async Task onUpdateBtnClicked(object sender, EventArgs e)
        {
            //Sending HTTP request to update Mailing Address
            Task <string> httpTask       = Task.Run <string>(() => HttpRequestHandler.EditCompanyProfileRequest("http://www2.sesco.com.my/etender/vendor/vendor_company_editSubmit.jsp", name, regno, mailingAddress.Text, coucode));
            var           httpTaskResult = httpTask.Result.ToString();

            Console.WriteLine(httpTaskResult);

            if (httpTaskResult == "OK")
            {
                await DisplayAlert("Success", "Company mailing address has been updated.", "OK");
            }

            var page         = App.Current.MainPage as rootPage;
            var userInfoPage = new userInfoPage();

            page.changePage(userInfoPage);
        }