public void Xoachude(string tenchude)
{
bantin_chude xoachude = (from tk in data.bantin_chudes
where tk.tenchude == tenchude
select tk).Single();
data.bantin_chudes.DeleteOnSubmit(xoachude);
data.SubmitChanges();
}
public void Capnhatchude(string tenchudecu, string tenchudemoi)
{
bantin_chude xoachude = (from tk in data.bantin_chudes
where tk.tenchude == tenchudecu
select tk).Single();
xoachude.tenchude = tenchudemoi;
data.SubmitChanges();
}
public void Themchude(string tenchude)
{
int dem = (from tk in data.bantin_chudes
select tk).ToList().Last().idchude;
bantin_chude themchude = new bantin_chude();
if (dem == 0)
{
themchude.idchude = 1;
}
else
{
themchude.idchude = short.Parse((dem + 1).ToString());
}
themchude.tenchude = tenchude;
data.bantin_chudes.InsertOnSubmit(themchude);
data.SubmitChanges();
}
