private async void GetLocations()
{
List <ContinentData> continents = await covidService.GetContinents();
List <CountryData> countries = await covidService.GetCountries();
List <string> allLocations = new List <string>
{
"Global"
};
foreach (var i in continents)
{
allLocations.Add(i.Continent);
}
foreach (var j in countries)
{
allLocations.Add(j.Country);
}
Location = allLocations;
}