private void button1_Click(object sender, EventArgs e)
 {
     FORM.frmKHACHHANG frm = new frmKHACHHANG();
     this.Hide();
     frm.ShowDialog();
     this.Show();
 }
Esempio n. 2
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 private void mnuKhachhang_Click(object sender, EventArgs e)
 {
     FORM.frmKHACHHANG frm = new FORM.frmKHACHHANG();
     this.Hide();
     frm.ShowDialog();
     this.Show();
 }