private void btnDeviceEdit_Click(object sender, EventArgs e)
 {
     if (lstDevices.SelectedIndex > -1)
     {
         frmDevice myForm = new frmDevice(UserID, new Device((System.Data.DataRowView)lstDevices.SelectedItem), this);
         myForm.Show();
     }
 }
        private void btnAddDevice_Click(object sender, EventArgs e)
        {
            frmDevice myForm = new frmDevice(UserID, this);

            myForm.Show();
        }
        private void button1_Click_1(object sender, EventArgs e)
        {
            frmDevice myForm = new frmDevice(UserID, this);

            myForm.Show();
        }