private void إضافةالصفيحالمقصوصالمطبوعToolStripMenuItem_Click(object sender, EventArgs e)
 {
     using (addnewcutprintedmaterial myform = new addnewcutprintedmaterial(mEmployee, mAccount, mPermission))
     {
         myform.ShowDialog();
     }
 }
        private void add_new_cutprinted_btn_Click(object sender, EventArgs e)
        {
            this.Hide();
            addnewcutprintedmaterial myform = new addnewcutprintedmaterial(mEmployee, mAccount, mPermission);

            myform.ShowDialog();

            this.Close();
        }