private void LoadDataToComboboxTypeOfBook()
{
BookTitleBLL bookTitleBLL = new BookTitleBLL();
this.cboTypeOfBook.DataSource = bookTitleBLL.getComboboxItemTypeOfBook();
//MessageBox.Show((cboTypeOfBook.SelectedItem as ComboboxItem).Value.ToString());
this.cboPublisher.DisplayMember = "Text";
this.cboPublisher.ValueMember = "Value";
}
