public void SortTestWithName()
        {
            ImageDal dal = new ImageDal();

            ImageDetails idetails = new ImageDetails();
            idetails.Name = "Lighthouse.jpg";
            idetails.Image = new byte[] { };
            idetails.Size = 100;

            dal.AddImage(idetails);

             ImageDetails idetails1 = new ImageDetails();
            idetails.Name = "Desert.jpg";
            idetails.Image = new byte[] { };
            idetails.Size = 100;

            dal.AddImage(idetails);

            int index1 = dal.Sort(1).FindLastIndex(x => x.Name == "Lighthouse.jpg");
            int index2 = dal.Sort(1).FindLastIndex(x => x.Name == "Desert.jpg");

            Assert.IsTrue(index1 > index2);

            



        }
        protected void DropDownList1_SelectedIndexChanged(object sender, EventArgs e)
        {
            try
            {

                if (int.Parse(DropDownList1.SelectedValue) > 0)
                {
                    ImageDal dal = new ImageDal();

                    ListView1.DataSource = dal.Sort(int.Parse(DropDownList1.SelectedValue));
                    ListView1.DataBind();

                }
            }
            catch (Exception ex)
            {
                ImageException exception = new ImageException(ex.Message);

            }
        }