private void returnToolStripMenuItem_Click(object sender, EventArgs e)
{
this.Hide();
returnbook rb = new returnbook(this);
rb.Show();
}
private void btnReturnBook_Click(object sender, EventArgs e)
{
returnbook rb = new returnbook();
mdi.main(this, rb);
rb.WindowState = FormWindowState.Normal;
}
public DisplayFineDetails(string stdid ,string bkid,returnbook rb)
{
InitializeComponent();
DataTable dt = new DataTable();
dt= opr.showstudentfine(stdid, bkid);
dataGridView1.DataSource = dt;
this.rb = rb;
}
