/**********************************************************************
* /**Description: Luu du lieu thay doi xuong database, cap nhat du lieu
* /**Params :
* /**Write by: Nguyen Nhat Linh
* /**Create date: 10/4/2018
**********************************************************************/
private void btLuu_Click(object sender, EventArgs e)
{
if (tbTac_gia.Text.Length == 0 ||
Char.IsNumber(tbTac_gia.Text[tbTac_gia.Text.Length - 1]) ||
!Char.IsNumber(tbSo_luong.Text[tbSo_luong.Text.Length - 1]) ||
tb_Ten_sach.Text.Length == 0 || Convert.ToInt32(tbSo_luong.Text) < 0 ||
tbSo_luong.Text == "" || cbLoai.Text == "")
{
if (tbTac_gia.Text.Length == 0 || Char.IsNumber(tbTac_gia.Text[tbTac_gia.Text.Length - 1]))
{
errorProvider1.SetError(tbTac_gia, "Ten tac gia khong co so");
}
if (cbLoai.Text.Length == 0)
{
errorProvider1.SetError(cbLoai, "Loai khong duoc de trong");
}
if (tbSo_luong.Text.Length == 0 || !Char.IsNumber(tbSo_luong.Text[tbSo_luong.Text.Length - 1]) || Convert.ToInt32(tbSo_luong.Text) <= 0)
{
errorProvider1.SetError(tbSo_luong, "So luong la so nguyen duong");
}
if (tb_Ten_sach.Text.Length == 0)
{
errorProvider1.SetError(tb_Ten_sach, "Ten sach khong duoc de trong");
}
}
else
{
this.errorProvider1.Clear();
Sach tmp = new Sach(tbMa_sach.Text, tb_Ten_sach.Text, cbLoai.Text, tbTac_gia.Text, Convert.ToInt32(tbSo_luong.Text));
SACH tmp1 = new SACH();
tmp1.MASACH = tbMa_sach.Text;
tmp1.TENSACH = tb_Ten_sach.Text;
tmp1.LOAI = cbLoai.Text;
tmp1.TENTACGIA = tbTac_gia.Text;
tmp1.SOLUONG = Convert.ToInt32(tbSo_luong.Text);
if (kiem_tra == 0)
{
SACH tmp2 = data.SACHes.Where(s => s.MASACH == lvi.Text).Single();
lvi = lvDanh_sach_sach.SelectedItems[0];
danh_sach_sach.delete(danh_sach_sach.search(lvi.Text).Masach);
data.SACHes.DeleteOnSubmit(tmp2);
data.SACHes.InsertOnSubmit(tmp1);
data.SubmitChanges();
MessageBox.Show("Sua thanh cong");
enableControl(false);
//data.SACHes.InsertOnSubmit(tmp1);
danh_sach_sach.add(tmp);
load_list_danh_sach_sach();
}
if (kiem_tra == 1)
{
MessageBox.Show("Them thanh cong");
data.SACHes.InsertOnSubmit(tmp1);
data.SubmitChanges();
enableControl(false);
danh_sach_sach.add(tmp);
load_list_danh_sach_sach();
}
lvi = null;
}
}
public void add(Sach a)
{
ds.Add(a);
}
