public async Task DeleteAsybc(Guid id)
{
var fileData = await AssetData.FindAsync(Builders <GridFSFileInfo> .Filter.Eq(x => x.Filename, id.ToString()));
foreach (var f in await fileData.ToListAsync())
{
await AssetData.DeleteAsync(f.Id);
}
await Assets.DeleteOneAsync(Builders <MongoAsset> .Filter.Eq(x => x.Id, id));
}
