private void btnDeleteBook_Click(object sender, EventArgs e)
{
if (dgvBooks.SelectedRows.Count > 0)
{
string isbn = dgvBooks.CurrentRow.Cells["book_isbn"].Value.ToString();
if (MessageBox.Show("Do you really want to delete these data?", "Alert", MessageBoxButtons.YesNo, MessageBoxIcon.Warning) == DialogResult.Yes)
{
string result = bookControl.deleteDataControl(isbn);
if (result.Equals("sucess"))
{
MessageBox.Show("Delete data has been sucessed!");
showBooksInDataGrid();
}
else
{
MessageBox.Show("Delete data it was possible!");
}
}
}
}