private void заказыToolStripMenuItem3_Click(object sender, EventArgs e)
{
Form f10 = new Form27();
f10.MdiParent = this;
f10.Show();
}
private void button2_Click(object sender, EventArgs e)
{
Form27 f27 = new Form27();
f27.Show();
this.Hide();
}
private void 学生信息表ToolStripMenuItem1_Click(object sender, EventArgs e)
{
this.Visible = false;
Form27 f4 = new Form27();
f4.ShowDialog();
this.Visible = true;
}
private void bunifuTileButton2_Click(object sender, EventArgs e)
{
Form27 f25 = new Form27();
f25.ShowDialog();
}