private void button_chondoi_Click(object sender, System.EventArgs e) { //LoadStatus(""); FilltextLoaiCauThu(); FrmChonDoi chondoi = new FrmChonDoi(); chondoi.ShowDialog(); txt_tendoi.Text = FrmChonDoi.tendoi; madoi = FrmChonDoi.madoi; mamua = FrmChonDoi.mamua; LoadDataGV(); }