private void nguyênLiệuNhậpVềToolStripMenuItem_Click(object sender, EventArgs e) { TKNlNhap tknlp = new TKNlNhap(); TKNlNhapIn tknlpin = new TKNlNhapIn(); tknlp.crvnlnhap.ReportSource = tknlpin; tknlpin.Refresh(); tknlp.ShowDialog(); }