public void NavigateTo(string item)
        {
            Page page = new HomePage();

            switch (item)
            {
            case "Home":
                page = new HomePage();
                break;

            case "Refer a contractor":
                page = new ContractorPage();
                break;

            case "My contractors":
                page = new MyContractorPage();
                break;

            //case "Amend details":
            //    master.Detail = new NavigationPage(new ChartPage()) { BarBackgroundColor = App.NavTint };
            //    break;
            //case "Terms & Conditions":
            //    master.Detail = new NavigationPage(new ChartPage()) { BarBackgroundColor = App.NavTint };
            //    break;
            case "About us":
                page = new AboutusPage();
                break;

            case "Contact us":
                page = new ContactUsPage();
                break;

            case "Take home pay calculator":
                page = new CalculatorPage();
                break;

            case "Weekly pay chart":
                page = new ChartPage();
                break;

            case "Logout":
                Settings.GeneralSettings = string.Empty;
                // page = new LoginPage();
                break;
            }

            this.Detail      = new NavigationPage(page);
            this.IsPresented = false;
        }