private void button3_Click(object sender, EventArgs e)
{
LibrarianLogin ob = new LibrarianLogin();
this.Hide();
ob.Show();
}
private void button2_Click(object sender, EventArgs e)
{
try
{
LibrarianLogin ob = new LibrarianLogin();
this.Hide();
ob.Show();
}
catch (Exception ex)
{
}
}