public void Xoahoatchatgoc(string tenhoatchatgoc)
{
hoatchatgoc xoahoatchatgoc = (from tk in data.hoatchatgocs
where tk.ten == tenhoatchatgoc
select tk).Single();
data.hoatchatgocs.DeleteOnSubmit(xoahoatchatgoc);
data.SubmitChanges();
}
public void Capnhathoatchatgoc(string tenhoatchatgoccu, string tenhoatchatgocmoi)
{
hoatchatgoc xoahoatchatgoc = (from tk in data.hoatchatgocs
where tk.ten == tenhoatchatgoccu
select tk).Single();
xoahoatchatgoc.ten = tenhoatchatgocmoi;
data.SubmitChanges();
}
public void Themhoatchatgoc(string tenhoatchatgoc)
{
int dem = (from tk in data.hoatchatgocs
select tk).ToList().Last().idhcgoc;
hoatchatgoc themhoatchatgoc = new hoatchatgoc();
if (dem == 0)
{
themhoatchatgoc.idhcgoc = 1;
}
else
{
themhoatchatgoc.idhcgoc = short.Parse((dem + 1).ToString());
}
themhoatchatgoc.ten = tenhoatchatgoc;
data.hoatchatgocs.InsertOnSubmit(themhoatchatgoc);
data.SubmitChanges();
}
