protected override void OnPreInit(EventArgs e) { base.OnPreInit(e); try { ImageProperty prop = ImagePropertyAdapter.Instance.Load("0045a55f-5df2-a978-499d-04c5f4658830"); ImageProperty clone = prop.Clone(); clone.Changed = true; //clone.Content.FileName = "1234.png"; clone.EnsureMaterialContent(); this.imgUploader.ImgProp = prop; } catch (Exception ex) { Response.Write(ex.Message); } if (!IsPostBack) { //ImageProperty prop = ImagePropertyAdapter.Instance.Load(p => p.AppendItem("RESOURCE_ID", "add06a1f-2b17-979b-4293-89ad3869da1a"))[0]; //this.imgUploader.ImgProp = prop; } //this.imgUploader.ImageContent = new ImageUploader.ImageContentHandler(GetImageContent); }