/**
* Convert a string value represented a date into a Nullable<DateTime>.
*
* @throws InvalidFormatException
* Throws if the date format isnot valid.
*/
private Nullable <DateTime> SetDateValue(String s)
{
if (s == null || s.Equals(""))
{
return(new Nullable <DateTime>());
}
else
{
SimpleDateFormat df = new SimpleDateFormat(
"yyyy-MM-dd'T'HH:mm:ss'Z'");
DateTime d = (DateTime)df.ParseObject(s, 0);
if (d == null)
{
throw new InvalidFormatException("Date not well formated");
}
return(new Nullable <DateTime>(d));
}
}