private void modifyInformationToolStripMenuItem_Click(object sender, EventArgs e)
{
if (this is ModifyBook)
{
return;
}
ModifyBook modifybook = new ModifyBook();
modifybook.ShowDialog();
}
private void btnModifyBooks_Click(object sender, EventArgs e)
{
ModifyBook modifybk = new ModifyBook();
modifybk.ShowDialog();
}