private void frm_TRACUUSACH_Load(object sender, EventArgs e)
{
Bang_SACH = new XL_SACH();
Bang_THELOAI = new XL_THELOAI();
Bang_NHAXUATBAN = new XL_NHAXUATBAN();
DataSet ds = new DataSet();
ds.Tables.AddRange(new DataTable[] { Bang_SACH, Bang_NHAXUATBAN, Bang_THELOAI });
DataRelation qh_NHAXUATBAN_SACH =
new DataRelation("FK_NHAXUATBAN_SACH", Bang_NHAXUATBAN.Columns["MaNXB"], Bang_SACH.Columns["MaNXB"]);
DataRelation qh_THELOAI_SACH =
new DataRelation("FK_THELOAI_SACH", Bang_THELOAI.Columns["MaTL"], Bang_SACH.Columns["MaTL"]);
ds.Relations.AddRange(new DataRelation[] { qh_NHAXUATBAN_SACH, qh_THELOAI_SACH });
DataColumn cot_TenNXB = new DataColumn("TenNXB", Type.GetType("System.String"), "Parent(FK_NHAXUATBAN_SACH).TenNXB");
DataColumn cot_TenTL = new DataColumn("TenTL", Type.GetType("System.String"), "Parent(FK_THELOAI_SACH).TenTL");
Bang_SACH.Columns.AddRange(new DataColumn[] { cot_TenNXB, cot_TenTL });
cbNXB.DataSource = Bang_NHAXUATBAN;
cbNXB.DisplayMember = "TenNXB";
cbNXB.ValueMember = "MaNXB";
cbMaTL.DataSource = Bang_THELOAI;
cbMaTL.DisplayMember = "TenTL";
cbMaTL.ValueMember = "MaTL";
dgvSACH.DataSource = Bang_SACH;
Nhap_moi();
}
private void frm_NHAP_SACH_Load(object sender, EventArgs e)
{
Bang_SACH = new XL_SACH();
Bang_THELOAI = new XL_THELOAI();
Bang_NHAXUATBAN = new XL_NHAXUATBAN();
DataSet ds = new DataSet();
ds.Tables.AddRange(new DataTable[] { Bang_SACH, Bang_NHAXUATBAN, Bang_THELOAI });
DataRelation qh_NHAXUATBAN_SACH = new DataRelation("FK_NHAXUATBAN_SACH", Bang_NHAXUATBAN.Columns["MaNXB"], Bang_SACH.Columns["MaNXB"]);
DataRelation qh_THELOAI_SACH = new DataRelation("FK_THELOAI_SACH", Bang_THELOAI.Columns["MaTL"], Bang_SACH.Columns["MaTL"]);
ds.Relations.AddRange(new DataRelation[] { qh_NHAXUATBAN_SACH, qh_THELOAI_SACH });
DataColumn cot_TenNXB = new DataColumn("TenNXB", Type.GetType("System.String"), "Parent(FK_NHAXUATBAN_SACH).TenNXB");
DataColumn cot_TenTL = new DataColumn("TenTL", Type.GetType("System.String"), "Parent(FK_THELOAI_SACH).TenTL");
Bang_SACH.Columns.AddRange(new DataColumn[] { cot_TenNXB, cot_TenTL });
cbNXB.DataSource = Bang_NHAXUATBAN;
cbNXB.DisplayMember = "TenNXB";
cbNXB.ValueMember = "MaNXB";
cbMaTL.DataSource = Bang_THELOAI;
cbMaTL.DisplayMember = "TenTL";
cbMaTL.ValueMember = "MaTL";
dgvSACH.DataSource = Bang_SACH;
txtMaSach.DataBindings.Add("text", Bang_SACH, "MaSach");
txtTuaDe.DataBindings.Add("text", Bang_SACH, "TuaDe");
txtTacGia.DataBindings.Add("text", Bang_SACH, "TacGia");
txtSoLuong.DataBindings.Add("text", Bang_SACH, "SoLuong");
dNgayNhap.DataBindings.Add("text", Bang_SACH, "NgayNhap");
cbNXB.DataBindings.Add("SelectedValue", Bang_SACH, "MaNXB");
cbMaTL.DataBindings.Add("SelectedValue", Bang_SACH, "MaTL");
DS_SACH = this.BindingContext[Bang_SACH];
An_hien_nut_lenh(false);
}