private string ProcessUploadFile()
{
if (Logo == null)
{
return(string.Empty);
}
var uploadFolder = Path.Combine(HostEnviroment.WebRootPath, "Fotografias");
var fileName = $"{Guid.NewGuid()}_{Logo.FileName}";
var filePath = Path.Combine(uploadFolder, fileName);
using (var stream = new FileStream(filePath, FileMode.Create)) { Logo.CopyTo(stream); }
return(fileName);
}