private void AddEmpB_Click(object sender, EventArgs e)
 {
     if (OldPass.Text.Equals("") || NewPass.Text.Equals("") || RNewPass.Text.Equals(""))
     {
         MessageBox.Show("Please,Fill The Input Fields!");
     }
     else
     {
         businesslayer bl = new businesslayer();
         bl.changePass(OldPass.Text, NewPass.Text, RNewPass.Text);
     }
 }