public string CreateCode()
{
string MaMH;
using (QLDLDataContext db = new QLDLDataContext())
{
List <string> lstMa = db.MATHANGs.Select(p => p.MaMatHang.Trim()).ToList();
MaMH = lstMa[0];
foreach (string temp in lstMa)
{
if (temp.Length > MaMH.Length)
{
MaMH = temp;
}
else if (temp.Length == MaMH.Length)
{
if (String.Compare(temp.Substring(2, temp.Length - 2), MaMH.Substring(2, MaMH.Length - 2)) > 0)
{
MaMH = temp;
}
}
}
MaMH = MaMH.TrimEnd();
string x = MaMH.Substring(2);
string y = (int.Parse(x) + 1).ToString();
MaMH = "MH" + y;
}
return(MaMH);
}
public override string ToString()
{
return(string.Format("MH{0} - {1} - Số giờ {2} ", MaMH.ToString(), TenMH, SoGioHoc.ToString()));
}