private void themsanpham() { TrangSuc ts = new TrangSuc(); ts.MaTS = txtMaTS.Text; ts.TenTS = txtTenTS.Text; ts.SoLuong = Int32.Parse(txtSoLuong.Text); ts.DonGia = float.Parse(txtDonGia.Text); ts.DonVi = txtDonVi.Text; ts.MaLoai = txtMaLoai.Text; //Byte[] img = ts.HinhAnh; //if (img != null) //{ // using(MemoryStream stream = new MemoryStream(img)) // { // Image returnImage = Image.FromStream(stream); // hinhanh.Image = returnImage; // } //} trangsuc.TrangSucs.Add(ts); trangsuc.SaveChanges(); MessageBox.Show("Thêm thành công."); dataGridView1.DataSource = trangsuc.TrangSucs.ToList(); }
private void chonhinhanh(object sender, EventArgs e) { BunifuImageButton img = sender as BunifuImageButton; mats = img.Name.ToString(); TrangSuc ts = trangsuc.TrangSucs.FirstOrDefault(p => p.MaTS == mats); cbLoaiTS.SelectedValue = ts.MaLoai; txtTenTS.Text = ts.TenTS; txtDonGia.Text = ts.DonGia.ToString(); }
private void btsua_Click(object sender, EventArgs e) { TrangSuc ts = trangsuc.TrangSucs.FirstOrDefault(p => p.MaTS == txtMaTS.Text); ts.TenTS = txtTenTS.Text; ts.SoLuong = Int32.Parse(txtSoLuong.Text); ts.DonGia = float.Parse(txtDonGia.Text); ts.DonVi = txtDonVi.Text; ts.MaLoai = txtMaLoai.Text; trangsuc.SaveChanges(); MessageBox.Show("Sửa thành công."); dataGridView1.DataSource = trangsuc.TrangSucs.ToList(); }
private void btxoa_Click(object sender, EventArgs e) { TrangSuc ts = trangsuc.TrangSucs.FirstOrDefault(p => p.MaTS == txtMaTS.Text); trangsuc.TrangSucs.Remove(ts); trangsuc.SaveChanges(); using (Stream stream = new MemoryStream(a)) { hinhanh.Image = Image.FromStream(stream); stream.Dispose(); } MessageBox.Show("Xóa Thành công"); dataGridView1.DataSource = trangsuc.TrangSucs.ToList(); }
private void updateTrangSuc(string MaTS) { TrangSuc ts = trangsuc.TrangSucs.FirstOrDefault(p => p.MaTS == MaTS); MemoryStream me = new MemoryStream(); byte[] images = null; FileStream stream = new FileStream(img, FileMode.Open, FileAccess.Read); BinaryReader brs = new BinaryReader(stream); images = brs.ReadBytes((int)stream.Length); ts.HinhAnh = images; trangsuc.SaveChanges(); dataGridView1.DataSource = trangsuc.TrangSucs.ToList(); MessageBox.Show("Update thành công"); }