private void registerStudentToolStripMenuItem_Click(object sender, EventArgs e)
{
if (frmRegisterStudent1 == null)
{
frmRegisterStudent1 = new frmRegisterStudent();
//frmRegisterStudent1.MdiParent = this;
frmRegisterStudent1.FormBorderStyle = FormBorderStyle.None;
frmRegisterStudent1.FormClosed += frmRegisterStudent1_FormClosed;
this.DisplayButtons(false);
frmRegisterStudent1.ShowDialog();
}
else
{
frmRegisterStudent1.Activate();
}
}
void frmRegisterStudent1_FormClosed(object sender, FormClosedEventArgs e)
{
frmRegisterStudent1 = null;
this.DisplayButtons(true);
}
