void FrmHangHoaDanhMuc_Load(object sender, EventArgs e) { tlDanhMuc.DataSource = busDanhMuc.GetAll(); if (tlDanhMuc.AllNodesCount > 0) { category cat = (category)tlDanhMuc.GetDataRecordByNode(tlDanhMuc.Nodes[0]); dgvHangHoa.DataSource = busHangHoa.GetByCat(cat); } }
private void lkDanhMucSP_EditValueChanged(object sender, EventArgs e) { if (lkDanhMucSP.EditValue == null) { return; } category cat = (category)lkDanhMucSP.GetSelectedDataRow(); dgvSanPham.DataSource = busHangHoa.GetByCat(cat); }