private void btnLuu_Click(object sender, EventArgs e)
{
if (themmoi)
{
km = new KhuyenMai();
try
{
PutKhuyenMaiData(km);
kmDB.ThemKhuyenMai(km);
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
else
{
KhuyenMai newKM = new KhuyenMai();
newKM.MaKhuyenMai = km.MaKhuyenMai;
try
{
this.PutKhuyenMaiData(newKM);
kmDB.CapNhatKhuyenMai(newKM);
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
DanhSachKhuyenMai();
EmptyControl();
this.EnabledControlNhap(false);
this.EnabledControl(true);
}
public void ThemKhuyenMai(KhuyenMai khuyenmai)
{
string query = "";
query = "Insert into KhuyenMai (ThongTinGiam, ThoiGianBatDau, ThoiGianKetThuc) " +
"values ("+ khuyenmai.ThongTinGiam + ",'" + khuyenmai.ThoiGianBatDau + "','" + khuyenmai.ThoiGianKetThuc + "')" ;
try
{
this.addRow(query);
}
catch (SqlException ex)
{
throw ex;
}
}
public void CapNhatKhuyenMai(KhuyenMai khuyenmai)
{
string query = "";
query = "Update [KhuyenMai] " +
"Set [KhuyenMai].ThongTinGiam = " + khuyenmai.ThongTinGiam + "," +
"[KhuyenMai].ThoiGianBatDau = '" + khuyenmai.ThoiGianBatDau + "'," +
"[KhuyenMai].ThoiGianKetThuc = '" + khuyenmai.ThoiGianKetThuc + "'" +
" Where [KhuyenMai].MaKhuyenMai = " + khuyenmai.MaKhuyenMai ;
try
{
this.editRow(query);
}
catch (SqlException ex)
{
throw ex;
}
}
//thong tin
public KhuyenMai ThongTinKhuyenMai(int maKhuyenMai)
{
KhuyenMai khuyenmai = new KhuyenMai();
DataTable data = new DataTable();
string query = "";
if (maKhuyenMai >= 0)
{
query = @"select [KhuyenMai].*
from [KhuyenMai]
where [KhuyenMai].MaKhuyenMai = " + maKhuyenMai;
try
{
data = this.getRows(query);
if (data.Rows.Count>0)
{
DataRow row = data.Rows[0];
khuyenmai.MaKhuyenMai = (int)row[0];
khuyenmai.ThongTinGiam = (int)row[1];
khuyenmai.ThoiGianBatDau = (DateTime)row[2];
khuyenmai.ThoiGianKetThuc = (DateTime)row[3];
return khuyenmai;
}
else
{
return khuyenmai;
}
}
catch (SqlException ex)
{
throw ex;
}
}
else
{
return khuyenmai;
}
}
///xoa
public void XoaKhuyenMai(KhuyenMai khuyenmai)
{
string query = "";
if (khuyenmai.MaKhuyenMai > 0)
{
query = "Delete [KhuyenMai] "+
" where [KhuyenMai].MaKhuyenMai = " + khuyenmai.MaKhuyenMai;
try
{
this.deleteRow(query);
}
catch (SqlException ex)
{
throw ex;
}
}
}
public KhuyenMai ThongTinKhuyenMai(DateTime ngay)
{
KhuyenMai khuyenmai = new KhuyenMai();
DataTable data = new DataTable();
string query = "";
if (ngay != null)
{
query = "select [KhuyenMai].* " +
" from [KhuyenMai] " +
" where ([KhuyenMai].ThoiGianBatDau ='" + ngay.ToShortDateString() + "') " +
"or ([KhuyenMai].ThoiGianKetThuc ='" + ngay.ToShortDateString() + "') " +
"or ([KhuyenMai].ThoiGianBatDau <'" + ngay.ToShortDateString() + "'" +
" and [KhuyenMai].ThoiGianKetThuc >'" + ngay.ToShortDateString() + "')";
try
{
data = this.getRows(query);
if (data.Rows.Count > 0)
{
DataRow row = data.Rows[0];
khuyenmai.MaKhuyenMai = (int)row[0];
khuyenmai.ThongTinGiam = (int)row[1];
khuyenmai.ThoiGianBatDau = (DateTime)row[2];
khuyenmai.ThoiGianKetThuc = (DateTime)row[3];
return khuyenmai;
}
else
{
return khuyenmai;
}
}
catch (SqlException ex)
{
throw ex;
}
}
else
{
return khuyenmai;
}
}
private void PutKhuyenMaiData(KhuyenMai km)
{
km.ThongTinGiam = Convert.ToInt16(txtThongTinGiam.Text);
km.ThoiGianBatDau = dtpNgayBatDau.Value;
km.ThoiGianKetThuc = dtpNgayKetThuc.Value;
}
private void HienThiKhuyenMai(KhuyenMai km)
{
if (km!=null)
{
txtThongTinGiam.Text = km.ThongTinGiam.ToString();
dtpNgayBatDau.Text = km.ThoiGianBatDau.ToString();
dtpNgayKetThuc.Text = km.ThoiGianKetThuc.ToString();
}
else
{
MessageBox.Show("Ko co KhuyenMai");
}
}
private void grvKhuyenMai_RowHeaderMouseClick(object sender, DataGridViewCellMouseEventArgs e)
{
int i = e.RowIndex;
DataGridViewSelectedRowCollection rows = grvKhuyenMai.SelectedRows;
foreach (DataGridViewRow row in rows)
{
DataRow myRow = (row.DataBoundItem as DataRowView).Row;
int maKhuyenMai = myRow.Field<int>("MaKhuyenMai");
km = kmDB.ThongTinKhuyenMai(maKhuyenMai);
HienThiKhuyenMai(km);
}
}
private void PutVePhimData(VePhim newVephim)
{
newVephim.NgayInVe = dtpNgayInVe.Value;
newVephim.GiaVe = Convert.ToDecimal(txtGiaVe.Text);
KhuyenMai khuyenmai = new KhuyenMai();
khuyenmai = khuyenmaiDB.ThongTinKhuyenMai(dtpNgayInVe.Value);
newVephim.MaKhuyenMai = khuyenmai.MaKhuyenMai;
newVephim.GiaVeUuDai = Convert.ToDecimal(txtGiaVeUuDai.Text);
newVephim.TrangThaiMua = true;
}
