private void btnShowParts_Click(object sender, EventArgs e)
        {
            DataSet ds = new DataSet();

            ds = Parts.getListParts(ds);
            grdListParts.DataSource = ds.Tables["ListParts"];
        }
        private void frmListPart_Load(object sender, EventArgs e)
        {
            DataSet ds = new DataSet();

            ds = Parts.getListParts(ds);
            grdListParts.DataSource = ds.Tables["ListParts"];
            loadCombo();
        }