public async void RegisterMethod()
{
var user = new User
{
UserName = UserNameTxt.ToLower(),
Password = PasswordTxt.ToLower(),
Email = EmailTxt.ToLower(),
PhoneNumber = PhoneNumberTxt.ToLower()
};
await App.Database.SaveUserAsync(user);
await Application.Current.MainPage.DisplayAlert("Datos guardados", "Bienvenido" + userName.ToString(), "Acectar");
await Application.Current.MainPage.Navigation.PushAsync(new LoginPage());
#endregion
}