How to validate DateTime format?

Question

I am suppose to let the user enter a DateTime format, but I need to validate it to check if it is acceptable. The user might enter \"yyyy-MM-dd\" and it would be fine, but t

Answer 1

This works for me-

try
{
  String formattedDate = DateTime.Now.ToString(dateFormat);
  DateTime.Parse(formattedDate);
  return true;
}
catch (Exception)
{
  return false;
}