private void PhotoAlbumEntities_SavingChanges(object sender, EventArgs e) { foreach (ObjectStateEntry entry in ((ObjectContext)sender).ObjectStateManager.GetObjectStateEntries(EntityState.Added)) { if (!entry.IsRelationship) { PropertyInfo pinfo = entry.Entity.GetType().GetProperty("Id"); if (pinfo != null) { pinfo.SetValue(entry.Entity, GenericUtils.CreateSequentialGuid(), null); } } } }
/// <summary> /// /// </summary> /// <param name="fileName"></param> /// <param name="originalFileName">When you upload the file you probably save /// it in temp folder, so you can pass a different file name to be set as the original one</param> public static Photo ProcessPhoto(String fileName, String originalFileName) { //First of all resize the original image and create thumbnail using (Bitmap resized = resizeManager.ResizeBitmap(fileName)) using (Bitmap thumbNail = thumbNailManager.ResizeBitmap(fileName)) { String FileName = PhotoFileManager.GenerateName(); String ThumbFileName = GetThumbnailImageNameFromOriginalImageName(FileName); PhotoFileManager.SaveImage(resized, FileName); PhotoFileManager.SaveImage(thumbNail, ThumbFileName); return(new Photo() { Id = GenericUtils.CreateSequentialGuid(), FileName = Path.GetFileNameWithoutExtension(FileName), ThumbNailFileName = Path.GetFileNameWithoutExtension(ThumbFileName), OriginalFileName = originalFileName, UploadDate = DateTime.Now, }); } }