private void btnDeactivateProduct_Click(object sender, EventArgs e) { ListView.SelectedListViewItemCollection selectedVendor = this.lvVendors.SelectedItems; if (selectedVendor.Count > 0) { int vendorID = Convert.ToInt32(selectedVendor[0].SubItems[0].Text); Vendor thisVendor = _myVendorManager.GetVendor(vendorID); Boolean success = _myVendorManager.DeactivateVendor(thisVendor); if (success == true) { MessageBox.Show("The vendor " + thisVendor.Name + " was deactivated"); } findActiveSelection(); } }