private async void btnAddCountry_Click(object sender, EventArgs e) { var addCountryResponse = await Infrastructure.AddCountry(tbNewCountry.Text); if (addCountryResponse.ErrorCode) { var metadetaErrorModel = await Infrastructure.GetMetadata(); MetaDataResponse metadata = (MetaDataResponse)metadetaErrorModel.Object; Metadata = metadata; ShowCountriesAddNewWine(); cbOriginCountry.SelectedIndex = cbOriginCountry.FindStringExact(tbNewCountry.Text); } else if (!string.IsNullOrEmpty(addCountryResponse.Message)) { MessageBox.Show(addCountryResponse.Message, "Fel"); } }