public static async Task <string> TimeSpanStrAsync(TimeSpan ts, ITranslatorProvider1 trans)
{
// a translated time span
string arg;
string txt = await trans.TranslateAsync(TimeSpanStr2(ts, out arg));
if (arg == null)
{
return(txt);
}
return(string.Format(txt, arg));
}
// use [TransRequired] not [Required]
public override string FormatErrorMessage(string name)
{
// override ValidationAttribute
ITranslatorProvider1 trans = TransValidationAttribute.GetTranslatorProvider();
if (trans != null)
{
Task <string> task = trans.TranslateAsync(base.ErrorMessageString ?? "The {0} field is required.");
task.Wait(); // Wait for async.
string errorMsg = task.Result;
return(string.Format(errorMsg, name));
}
return(base.FormatErrorMessage(name));
}