//批量删除
        protected void btnDelete_Click(object sender, EventArgs e)
        {
            ChkAdminLevel("_classroom_article_materials", EnumCollection.ActionEnum.Delete.ToString()); //检查权限
            int sucCount   = 0;
            int errorCount = 0;

            BLL.common_resource bll = new BLL.common_resource();
            for (int i = 0; i < rptList.Items.Count; i++)
            {
                int      id = Convert.ToInt32(((HiddenField)rptList.Items[i].FindControl("hidId")).Value);
                CheckBox cb = (CheckBox)rptList.Items[i].FindControl("chkId");
                if (cb.Checked)
                {
                    if (bll.UpdateField(id, "is_del = 1"))
                    {
                        sucCount += 1;
                    }
                    else
                    {
                        errorCount += 1;
                    }
                }
            }
            AddAdminLog(EnumCollection.ActionEnum.Delete.ToString(), "删除资源信息" + sucCount + "条,失败" + errorCount + "条"); //记录日志
            JscriptMsg("删除成功" + sucCount + "条,失败" + errorCount + "条!", Utils.CombUrlTxt("article_list.aspx", "keywords={0}&class_id={1}", this.keywords, this.class_id + ""));
        }
 //保存排序
 protected void btnSave_Click(object sender, EventArgs e)
 {
     ChkAdminLevel("_classroom_article_materials", EnumCollection.ActionEnum.Modify.ToString()); //检查权限
     BLL.common_resource bll = new BLL.common_resource();
     for (int i = 0; i < rptList.Items.Count; i++)
     {
         int id = Convert.ToInt32(((HiddenField)rptList.Items[i].FindControl("hidId")).Value);
         int sortId;
         if (!int.TryParse(((TextBox)rptList.Items[i].FindControl("txtsort")).Text.Trim(), out sortId))
         {
             sortId = 1;
         }
         bll.UpdateField(id, "sort=" + sortId.ToString());
     }
     AddAdminLog(EnumCollection.ActionEnum.Modify.ToString(), "保存课堂图文排序"); //记录日志
     JscriptMsg("保存排序成功!", Utils.CombUrlTxt("article_list.aspx", "keywords={0}&class_id={1}&page={2}", this.keywords, this.class_id + "", this.page + ""));
 }