private void BtnPowerOff_Click(object sender, EventArgs e)
{
Cursor = Cursors.WaitCursor;
DialogResult resultDia = MessageBox.Show("Do you wish to Power Off the Device ??", "Power Off Device", MessageBoxButtons.YesNo, MessageBoxIcon.Question);
if (resultDia == DialogResult.Yes)
{
objZkeeper.PowerOffDevice(int.Parse(tbxMachineNumber.Text.Trim()));
}
Cursor = Cursors.Default;
}