public Retrieval GenRetrievalForm(long date)
{
int clerkid = (int)HttpContext.Session.GetInt32("Id");
List <Requisition> listreq = scservice.GetAllReqFormByDateAndStatus(date, clerkid, Status.RequsitionStatus.confirmed); //retrieve requisition where status is confirmed
if (listreq == null || listreq.Count == 0)
{
throw new Exception("Sorry, you currently don't have any confirmed requisition on this provided date that requires retrieval");
}
Retrieval r1 = scservice.GenRetrievalForm(date, clerkid, listreq);
return(r1);
}