private bool CheckZipCD(CKM_TextBox txt)
        {
            M_ZipCode_Entity mze = new M_ZipCode_Entity
            {
                ZipCD1 = (txt == txtZipCode1) ? txt.Text : string.Empty,
                ZipCD2 = (txt == txtZipCode2) ? txt.Text : string.Empty
            };

            if (!tprg_Kaiin_BL.M_ZipCode_Select(mze))
            {
                tprg_Kaiin_BL.ShowMessage("E101");
                txt.Focus();
                txt.MoveNext = false;
                return(false);
            }
            return(true);
        }
        //old[CheckZipCD]
        private bool CheckZipCD(CKM_TextBox txt)
        {
            M_ZipCode_Entity mze = new M_ZipCode_Entity
            {
                ZipCD1 = (txt == txtZipCD1) ? txt.Text : string.Empty,
                ZipCD2 = (txt == txtZipCD2) ? txt.Text : string.Empty
            };

            mtsbl = new MasterTouroku_Souko_BL();
            if (!mtsbl.M_ZipCode_Select(mze))
            {
                mtsbl.ShowMessage("E101");
                txt.Focus();
                txt.MoveNext = false;
                return(false);
            }
            return(true);
        }