private void AddRepairToolStripMenuItem_Click(object sender, EventArgs e)
{
RepairWindow child1 = new RepairWindow();
child1.MdiParent = this;
child1.Show();
child1.cbxClients.Visible = false;
child1.lblClientName.Visible = false;
}
private void BtnEdit_Click(object sender, EventArgs e)
{
RepairWindow rw = new RepairWindow();
this.Hide();
rw.txtCellphoneBrand.Enabled = false;
rw.txtCellphoneModel.Enabled = false;
rw.txtRepairDesc.Enabled = false;
rw.txtTotalCost.Enabled = false;
rw.txtSerialNum.Enabled = false;
rw.lblClientName.Visible = true;
rw.cbxClients.Visible = true;
rw.Show();
}