private void addScaleQtyToolStripMenuItem_Click(object sender, EventArgs e) { NP_Cls.strValidCode = this.dgvView["clnValidPeriodCode", this.dgvView.CurrentRow.Index].Value.ToString(); WMS.VendorTrans.frmPeriodsScaleQty frm = new frmPeriodsScaleQty(); frm.ShowDialog(); }