private void grdvTest_DataBindingComplete(object sender, DataGridViewBindingCompleteEventArgs e)
    {
        try
        {
            var grdv = sender as DataGridView;
            foreach(DataGridViewRow row in grdv.Rows)
            {
                DataGridViewCell BookButtonCell = row.Cells[0];
                ViewModelMyItem item= row.DataBoundItem as ViewModelMyItem ;

                if (item.IsDeleted)
                {

                    row.Cells.Remove(BookButtonCell);
               }
            }
        }
        catch(Exception ex)
        {
            throw ex
        }

    }