private void btnTimKhachHang_Click(object sender, EventArgs e) { BULKhachHang bulKH = new BULKhachHang(); if (txtKhachHang.Text == "") { dgvKhachHang.DataSource = bulKH.layTatCaKhachHang(); } else { dgvKhachHang.DataSource = bulKH.layTatCaKhachHang(txtKhachHang.Text); } }
public void loadKhachHang() { BULKhachHang bulKH = new BULKhachHang(); dgvKhachHang.DataSource = bulKH.layTatCaKhachHang(); dgvKhachHang.Columns[0].HeaderText = "Mã khách hàng"; dgvKhachHang.Columns[1].HeaderText = "Tên khách hàng"; dgvKhachHang.Columns[2].HeaderText = "Địa chỉ"; dgvKhachHang.Columns[3].HeaderText = "Số điện thoại"; }
private void txtMaKhachHang_TextChanged(object sender, EventArgs e) { BULKhachHang = new BULKhachHang(); foreach (KhachHang x in BULKhachHang.layTatCaKhachHang()) { if (x.MaKhachHang == txtMaKhachHang.Text) { txtTenKhachHang.Text = x.HoTen; } } }
private KhachHang tonTaiKhachHang(string text) { foreach (KhachHang x in bulKH.layTatCaKhachHang()) { if (x.MaKhachHang == text) { return(x); } } return(null); }
private bool tonTaiMa(string text) { foreach (KhachHang x in bulKH.layTatCaKhachHang()) { if (x.MaKhachHang == text) { return(true); } } return(false); }