private void btDel_Click(object sender, System.EventArgs e) { CMSMStruct.MaterialSStruct mssold = (CMSMStruct.MaterialSStruct)Session["mssold"]; if (mssold.strBatchNo == "" || mssold.strMaterialCode == "") { this.SetErrorMsgPageBydir("获取原材料批次和编号错误!"); return; } if (!ms1.CancelMaterial(mssold)) { this.SetErrorMsgPageBydir("原材料作废失败,请重试!"); return; } else { this.SetSuccMsgPageBydir("原材料作废成功!", ""); return; } }