public List <SachDTO> GetSelectedReceiptBooks(string ReceiptID)
{
List <SachDTO> results = new List <SachDTO>();
if (ListReceipt.Count == 0)
{
ListReceipt = phieuMuonDAL.LoadListReceipt();
}
foreach (PhieuMuonDTO item in ListReceipt)
{
if (item.Mapm == ReceiptID)
{
string[] masach = item.Masach.Split(' ');
for (int i = 0; i < masach.Length; ++i)
{
results.Add(sachBUS.GetBookDetails(masach[i]));
}
}
}
return(results);
}