private void TienDVu_ValueChanged(object sender, EventArgs e) { DichVuControl dvctrl = new DichVuControl(); QUANLYKHACHSAN.BusinessObject.DanhSachSuDungDichVuInFo dsi = ctrl.LayDSSuDungDVu(cmbMadichvu.SelectedValue.ToString()); QUANLYKHACHSAN.BusinessObject.DichVuInFo dvi = dvctrl.LayMaDichVu(dsi.MaDichVu); float dongia = dvi.DonGia; int soluong = dsi.SoLuong; float tien = 0; tien = tien + (dongia * soluong); //numTienDVu.Value = tien; //numTienDVu.Value=(numSoLuong.Value*dvi.DonGia); }
private void cmbMaSDDVu_SelectedIndexChanged(object sender, EventArgs e) { DanhSachSuDungDichVuControl dsdvctrl = new DanhSachSuDungDichVuControl(); if (cmbMaSDDVu.SelectedValue != null) { QUANLYKHACHSAN.BusinessObject.DanhSachSuDungDichVuInFo dsi = dsdvctrl.LayDSSuDungDVu(cmbMaSDDVu.SelectedValue.ToString()); int solg = dsi.SoLuong; DichVuControl dvctrl = new DichVuControl(); QUANLYKHACHSAN.BusinessObject.DichVuInFo dvi = dvctrl.LayMaDichVu(dsi.MaDichVu); float dongia = dvi.DonGia; float tien = solg * dongia; txtTienDVu.Text = tien.ToString(); } }
private void frmTimDichVu_Load(object sender, EventArgs e) { DichVuControl ctrl = new DichVuControl(); ctrl.HienThiCombobox(cmbTimDVu); }