private void LkFromStoreEditValueChanged(object sender, EventArgs e) { var rDoc = new ReceiveDoc(); if (lkFromStore.EditValue == null) { return; } var dtItem = rDoc.GetRecievedItemsWithBalanceForStore(Convert.ToInt32(lkFromStore.EditValue), (int)lkCategories.EditValue); PopulateItemList(dtItem); var inventory = new YearEnd(); if (inventory.IsInventoryCompleteToReceive(2006, Convert.ToInt32(lkFromStore.EditValue)) != false) { return; } XtraMessageBox.Show("Please First Finish All Inventory and come back!", "Error", MessageBoxButtons.OK, MessageBoxIcon.Exclamation); btnSave.Enabled = false; }