private async void Edit(object sender, EventArgs e)
{
if (String.IsNullOrEmpty(name.Text) || String.IsNullOrEmpty(lastName.Text))
{
await App.Current.MainPage.DisplayAlert("Error", "Please, fill all fields", "OK");
}
else
{
var token = await firestore.EditData(name.Text, lastName.Text);
if (!string.Equals(token, "error"))
{
App.Current.MainPage = new MainPage();
}
else
{
await App.Current.MainPage.DisplayAlert("Error", "Something went wrong", "OK");
}
}
}