private async void BtnChangeArtist_Click(object sender, RoutedEventArgs e)
{
ArtistAddDialog artistAddDialog = new ArtistAddDialog();
await artistAddDialog.ShowAsync();
if (artistAddDialog.result != null)
{
artistAddDialog.result.User = current.User;
userViewModel.AddArtist(artistAddDialog.result);
await new MessageDialog("아티스트로 변환이 완료되었습니다.").ShowAsync();
InitData(current.FK_User);
}
}