private void btnbtnAddCountDown_Click(object sender, System.EventArgs e) { CountDownCategoriesInfo countDownInfo = new CountDownCategoriesInfo(); countDownInfo.StartTime = Convert.ToDateTime("2015-1-1 " + this.drophours.SelectedValue.Value + ":00:00.0000000"); countDownInfo.EndTime = Convert.ToDateTime("2015-1-1 " + this.HourDropDownList1.SelectedValue.Value + ":00:00.0000000"); if (System.DateTime.Compare(countDownInfo.StartTime, countDownInfo.EndTime) >= 0 && this.HourDropDownList1.SelectedValue.Value != 0) { this.ShowMsg("开始日期必须要早于结束日期", false); return; } countDownInfo.Title = this.txtTitle.Text.Trim(); countDownInfo.AdImageUrl = CatalogHelper.UploadActiveCategorieImage(this.fileUpload.PostedFile); countDownInfo.AdImageLinkUrl = this.txtActiveImgUrl.Text.Trim(); if (PromoteHelper.AddCountDownCategories(countDownInfo)) { this.ShowMsg("添加限时管理成功", true); return; } this.ShowMsg("添加限时管理失败", true); }