protected void btnAddLayer_Click(object sender, EventArgs e)
        {
            Bitmap UpImg = (Bitmap)Bitmap.FromStream(LayerImgFileUpload.PostedFile.InputStream);
            string path = "UploadedFiles/References/" + DateTime.Now.ToString("ddMMyyyyhhmmss") + LayerImgFileUpload.FileName;
            UpImg.Save(MapPath(path), System.Drawing.Imaging.ImageFormat.Png);

            BLL.ReferenceImages NewLayer = new BLL.ReferenceImages();
            NewLayer.AddNew();
            NewLayer.ReferenceID = getCurrentReference;
            NewLayer.NameEn = txtImageName.Text;
            NewLayer.IsActive = true;
            NewLayer.ImagePath = path;
            NewLayer.Save();

            LoadAllReferenceImages();

            txtImageName.Text = "";
        }
        protected void ImgBtnDeleteLayer_Click(object sender, ImageClickEventArgs e)
        {
            ImageButton btn = (ImageButton)sender;
            int ID = int.Parse(btn.CommandArgument.ToString());
            BLL.ReferenceImages DeleteLayer = new BLL.ReferenceImages();
            DeleteLayer.LoadByPrimaryKey(ID);
            DeleteLayer.MarkAsDeleted();
            DeleteLayer.Save();

            LoadAllReferenceImages();
        }