private void button3_Click(object sender, EventArgs e) { if (MessageBox.Show("Bạn có muốn xóa khách hàng?", "Lời nhắc", MessageBoxButtons.YesNo, MessageBoxIcon.Question) == DialogResult.Yes) { Khachhang kh = new Khachhang(); kh.MaKH = int.Parse(txt_makh.Text); if (bllKH.Deletekhachhang(kh)) { ShowAllkhachhang(); } else { MessageBox.Show("Lỗi!", "Thông báo", MessageBoxButtons.OK, MessageBoxIcon.Warning); } } }
public bool Deletekhachhang(Khachhang kh) { string sql = "Delete khachhang Where MaKH=@MaKH"; SqlConnection con = dc.getConnect(); try { cmd = new SqlCommand(sql, con); con.Open(); cmd.Parameters.Add("@MaKH", SqlDbType.Int).Value = kh.MaKH; cmd.ExecuteNonQuery(); } catch (Exception) { return(false); } return(true); }
private void button2_Click_1(object sender, EventArgs e) { Khachhang kh = new Khachhang(); kh.MaKH = int.Parse(txt_makh.Text); kh.TenKH = txt_tenkh.Text; kh.Diachi = cb_diachikh.Text; kh.Ngaysinh = dt_nskh.Value; kh.Gioitinh = cb_gtkh.Text; kh.Email = txt_emailkh.Text; kh.SDTKH = double.Parse(txt_sdtkh.Text); if (bllKH.Updatekhachhang(kh)) { ShowAllkhachhang(); } else { MessageBox.Show("Lỗi!", "Thông báo", MessageBoxButtons.OK, MessageBoxIcon.Stop); } }
public bool Updatekhachhang(Khachhang kh) { string sql = "Update khachhang Set MaKH=@MaKH,TenKH=@TenKH,Diachi=@Diachi,Ngaysinh=@Ngaysinh,Gioitinh=@Gioitinh,Email=@Email,SDTKH=@SDTKH Where MaKH=@MaKH"; SqlConnection con = dc.getConnect(); try { cmd = new SqlCommand(sql, con); con.Open(); cmd.Parameters.Add("@MaKH", SqlDbType.Int).Value = kh.MaKH; cmd.Parameters.Add("@TenKH", SqlDbType.NVarChar).Value = kh.TenKH; cmd.Parameters.Add("@Diachi", SqlDbType.NVarChar).Value = kh.Diachi; cmd.Parameters.Add("@Ngaysinh", SqlDbType.DateTime).Value = kh.Ngaysinh; cmd.Parameters.Add("@Gioitinh", SqlDbType.NVarChar).Value = kh.Gioitinh; cmd.Parameters.Add("@Email", SqlDbType.NVarChar).Value = kh.Email; cmd.Parameters.Add("@SDTKH", SqlDbType.Int).Value = kh.SDTKH; cmd.ExecuteNonQuery(); } catch (Exception) { return(false); } return(true); }
public bool Deletekhachhang(Khachhang kh) { return(dalKH.Deletekhachhang(kh)); }
public bool Updatekhachhang(Khachhang kh) { return(dalKH.Updatekhachhang(kh)); }