protected override void Dispose(bool disposing)
{
if (disposing)
{
db.Dispose();
}
base.Dispose(disposing);
}
// Asynchronously do the 'service' works
private void DoWork()
{
DateTime today = DateTime.Now;
VsmartsellDBContext db = new VsmartsellDBContext();
SendMailForInvoice(today, db);
SendMailForNearEnd(today, db);
SendMailAfterEnd(today, db);
db.Dispose();
}