private void Button4_Click(object sender, EventArgs e)
        {
            this.Hide();
            frmBookIssueRecordStaff frm1 = new frmBookIssueRecordStaff();

            frm1.lblUser.Text     = lblUser.Text;
            frm1.lblUserType.Text = lblUserType.Text;
            frm1.SET.Text         = "Book Issues";
            frm1.Show();
        }
        private void Button1_Click(object sender, EventArgs e)
        {
            this.Hide();
            frmBookIssueRecordStaff frm = new frmBookIssueRecordStaff();

            frm.lblUser.Text     = lblUser.Text;
            frm.lblUserType.Text = lblUserType.Text;
            frm.Set10.Text       = "Book Return";
            frm.Show();
        }