private void btnReturn_Click(object sender, EventArgs e)
{
if (loanBindingSource.Current != null)
{
using (frmReturn frm = new frmReturn(loanBindingSource.Current as Loan, readerBindingSource.DataSource as Reader))
{
if (frm.ShowDialog() == DialogResult.OK)
{
_controller.BookReturned(loanBindingSource.Current as Loan);
}
loanBindingSource.DataSource = _controller.GetByReaders(readerBindingSource.DataSource as Reader);
}
}
}
