private void tsbtnAddStu_Click(object sender, EventArgs e) { frmAddStudent FAS = new frmAddStudent(); FAS.MdiParent = this; FAS.Show(); }
private void tsmiUpdate_Click(object sender, EventArgs e) { string stuNo = lvComputer.SelectedItems[0].Text; frmAddStudent FAS = new frmAddStudent(); FAS.stuNo = stuNo; FAS.MdiParent = this.ParentForm; FAS.Show(); }