private void confirm1_Click(object sender, EventArgs e) { if (std.EditPassword(currentpassword1.Text, newpassword1.Text, confirmpassword1.Text) == 2) { //FileStream file = File.Create("Uni"); //BinaryFormatter bf = new BinaryFormatter(); //bf.Serialize(file, Universal.instance); //file.Close(); StudentPanel studentPanel = new StudentPanel(id); studentPanel.Show(); this.Hide(); } else if (std.EditPassword(currentpassword1.Text, newpassword1.Text, confirmpassword1.Text) == 1) { errorProvider2.SetError(confirmpassword1, "تکرار رمز عبور صحیح نیست"); } else { errorProvider1.SetError(currentpassword1, "رمز عبور اشتباه است"); } }