private void ChangeKeyLogic() { if (!string.IsNullOrEmpty(SelectedDBStoredImage.ImageID)) {//check to see if key is part of the current companylist... DBStoredImage query = DBStoredImageList.Where(company => company.ImageID == SelectedDBStoredImage.ImageID && company.AutoID != SelectedDBStoredImage.AutoID).FirstOrDefault(); if (query != null) {//revert it back SelectedDBStoredImage.ImageID = SelectedDBStoredImageMirror.ImageID; //change to the newly selected company... SelectedDBStoredImage = query; return; } //it is not part of the existing list try to fetch it from the db... DBStoredImageList = GetDBStoredImageByID(SelectedDBStoredImage.ImageID, XERP.Client.ClientSessionSingleton.Instance.CompanyID); if (DBStoredImageList.Count == 0)//it was not found do new record required logic... { NotifyNewRecordNeeded("Record " + SelectedDBStoredImage.ImageID + " Does Not Exist. Create A New Record?"); } else { SelectedDBStoredImage = DBStoredImageList.FirstOrDefault(); } } else { string errorMessage = "ID Is Required."; NotifyMessage(errorMessage); //revert back to the value it was before it was changed... if (SelectedDBStoredImage.ImageID != SelectedDBStoredImageMirror.ImageID) { SelectedDBStoredImage.ImageID = SelectedDBStoredImageMirror.ImageID; } } }
private void OnSearchResult(object sender, NotificationEventArgs <BindingList <DBStoredImage> > e) { if (e.Data != null && e.Data.Count > 0) { DBStoredImageList = e.Data; SelectedDBStoredImage = DBStoredImageList.FirstOrDefault(); Dirty = false; AllowCommit = false; } UnregisterToReceiveMessages <BindingList <DBStoredImage> >(MessageTokens.DBStoredImageSearchToken.ToString(), OnSearchResult); }