void EvalTransactionState() { var objectsToSave = TransactionalChangeHandler.ObjectsToSave(unitOfWork); saveChangesItem.Enabled = discardChangesItem.Enabled = objectsToSave; }
private void discardChangesItem_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e) { if (TransactionalChangeHandler.ObjectsToSave(unitOfWork)) { if (XtraMessageBox.Show("This operation is going to discard all unsaved changes. Are you sure you want to proceed?", "Question", MessageBoxButtons.YesNo, MessageBoxIcon.Question) == DialogResult.Yes) { //scheduler.BeginUpdate(); try { // Use my own DiscardChanges DiscardChanges(unitOfWork, null); } finally { //scheduler.EndUpdate(); } } } }
public void DocumentClosingHandler(object sender, DocumentCancelEventArgs e) { if (TransactionalChangeHandler.ObjectsToSave(unitOfWork)) { var answer = XtraMessageBox.Show("There are unsaved changes. Do you want to validate and save before closing the list?", "Question", MessageBoxButtons.YesNoCancel, MessageBoxIcon.Question); if (answer == DialogResult.Yes) { if (!TransactionalChangeHandler.ValidateAndCommit(unitOfWork)) { e.Cancel = true; } } else if (answer == DialogResult.Cancel) { e.Cancel = true; } } }