private async Task GetData()
        {
            IsWorking = true;
            await Task.Delay(150);

            await Task.Run(() =>
            {
                Donations = DonationModel.GetDonations();
            });

            IsWorking = false;
        }
        private async Task LoadData()
        {
            IsWorking = true;
            await Task.Delay(150);

            await Task.Run(() =>
            {
                Donations      = DonationModel.GetDonations();
                DonatorList    = PersonModel.ReturnDonators();
                NewDonatorList = PersonModel.ReturnDonators();
            });

            IsWorking = false;
        }