} // end Validate Product data
//Create Buttons on Form Begin
private void btnCreateBook_Click(object sender, EventArgs e)
{
txtBookISBNLeft.ReadOnly = false;
txtBookISBNRight.ReadOnly = false;
txtBookAuthor.ReadOnly = false;
txtBookPages.ReadOnly = false;
FormController.activateBook(this);
FormController.activateProduct(this);
btnCreateBookCIS.Enabled = true;
btnCreateCDChamber.Enabled = false;
btnCreateCDOrchestra.Enabled = false;
btnCreateDVD.Enabled = false;
btnSave.Enabled = true;
clickedBtn = "create_book";
}
