bool ktkc(string maqt)
{
quantri cv = tv.quantris.Where(t => t.maqt == maqt).FirstOrDefault();
if (cv != null)
{
return(true);
}
else
{
return(false);
}
}
public int xoamod(string maqt)
{
if (maqt != null)
{
quantri delete = tv.quantris.Where(t => t.maqt.Equals(maqt)).SingleOrDefault();
tv.quantris.DeleteOnSubmit(delete);
tv.SubmitChanges();
return(1);
}
else
{
return(0);
}
}
public int themmod(quantri qt)
{
try
{
if (ktkc(qt.maqt) == false)
{
tv.quantris.InsertOnSubmit(qt);
}
tv.SubmitChanges();
return(1);
}
catch
{
return(0);
}
}
private void them_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
{
string tenqt = Ten.Text;
string diachi = DiaChi.Text;
string sdt = Sdt.Text;
quantri qt = new quantri();
qt.tenqt = tenqt;
qt.diachi = diachi;
qt.sdt = sdt;
qt.maqt = "";
int kq = qtbll.themmod(qt);
if (kq == 1)
{
MessageBox.Show("Thêm thành công");
this.Close();
}
else
{
MessageBox.Show("Nhập lại");
}
}