public bool IsValid()
{
var oErrors = new List <string>();
if (ToDate <= FromDate)
{
oErrors.Add("Period final date is less than period start date in " +
FromDate.ToString("dd-MM-yyyy", CultureInfo.InvariantCulture) + " and " +
ToDate.ToString("dd-MM-yyyy", CultureInfo.InvariantCulture) + "."
);
} // if
if (string.IsNullOrWhiteSpace(Period))
{
Period = ToDate.ToString("MM yy", CultureInfo.InvariantCulture);
}
if (DueDate < ToDate)
{
DueDate = ToDate.AddMonths(1).AddDays(7);
}
if ((BoxData == null) || (BoxData.Count < 1))
{
oErrors.Add("No box data specified.");
}
Errors = oErrors.ToArray();
return(Errors.Length == 0);
} // IsValid
