protected void btnSubmit_Error(object sender, EventArgs e)
        {
            BLL.CCOM.Topic_relation bll = new BLL.CCOM.Topic_relation();
            for (int i = 0; i < topicrelation.Length; i++)
            {
                try
                {
                    Model.CCOM.Topic_relation model = bll.GetModel(" Topic_relation_id=" + topicrelation[i]);
                    if (model != null)
                    {
                        model.Accept_state = 2;
                        if (bll.Update(model))
                        {
                            BLL.CCOM.Topic   topic_bll   = new BLL.CCOM.Topic();
                            Model.CCOM.Topic topic_model = topic_bll.GetModel(model.Topic_id);
                            topic_model.Selected_state = false;
                            topic_bll.Update(topic_model);

                            JscriptMsg("审核成功啦!", "TeacherChoose.aspx?fun_id=" + get_fun_id("CCOM/TopicManage/TeacherChoose.aspx"), "Success");
                        }
                        else
                        {
                            JscriptMsg("审核失败", "TeacherChoose.aspx?fun_id=" + get_fun_id("CCOM/TopicManage/TeacherChoose.aspx"), "Success");
                        }
                    }
                }
                catch
                {
                    continue;
                }
            }
        }
        protected string ImportDataItem(DataSet ds, ref int success, ref int error)//基础数据
        {
            string result = "";

            BLL.CCOM.User_information   stu_bll   = new BLL.CCOM.User_information();
            Model.CCOM.User_information stu_model = new Model.CCOM.User_information();
            BLL.CCOM.Topic            topic_bll   = new BLL.CCOM.Topic();
            Model.CCOM.Topic          topic_model = new Model.CCOM.Topic();
            BLL.CCOM.Topic_relation   rela_bll    = new BLL.CCOM.Topic_relation();
            Model.CCOM.Topic_relation rela_model  = new Model.CCOM.Topic_relation();

            for (int i = 0; i < ds.Tables[0].Rows.Count; i++)
            {
                string checkmsg = null;
                #region 添加学生信息==========================
                //学号
                string number = ds.Tables[0].Rows[i]["学号"].ToString().Trim();
                if (!ValidDFValue(number, true, "", ref checkmsg))
                {
                    result += "×第" + (i + 1).ToString() + "行数据更新失败,学号" + checkmsg + "<br/>";
                    error++;
                    continue;
                }
                else if (stu_bll.GetModel(" User_number='" + number + "'") != null)
                {
                    stu_model = stu_bll.GetModel(" User_number='" + number + "'");
                }
                else if (number != "")
                {
                    stu_model.User_number = number;
                }
                //姓名
                string name = ds.Tables[0].Rows[i]["姓名"].ToString().Trim();
                if (!ValidDFValue(name, true, "", ref checkmsg))
                {
                    result += "×第" + (i + 1).ToString() + "行数据更新失败,姓名" + checkmsg + "<br/>";
                    error++;
                    continue;
                }
                else if (name != "")
                {
                    stu_model.User_realname = name;
                }
                //性别
                //string gender = ds.Tables[0].Rows[i]["性别"].ToString().Trim();
                //if (!ValidDFValue(gender, true, "男|女", ref checkmsg))
                //{
                //    result += "×第" + (i + 1).ToString() + "行数据更新失败,性别" + checkmsg + "<br/>";
                //    error++;
                //    continue;
                //}
                //else if (gender == "男")
                //{
                //    stu_model.User_gender = false;
                //}
                //else if (gender == "女")
                //{
                //    stu_model.User_gender = true;
                //}
                //机构
                stu_model.User_gender = false;
                string angency = ds.Tables[0].Rows[i]["行政班"].ToString().Trim();
                if (!ValidDFValue(angency, true, "", ref checkmsg))
                {
                    result += "×第" + (i + 1).ToString() + "行数据更新失败,所在班号" + checkmsg + "<br/>";
                    error++;
                    continue;
                }
                BLL.CCOM.Agency   agency_bll   = new BLL.CCOM.Agency();
                Model.CCOM.Agency agency_model = new Model.CCOM.Agency();
                agency_model = agency_bll.GetModel(" Agency_name='" + angency + "'");
                if (agency_model == null)
                {
                    result += "×第" + (i + 1).ToString() + "行数据更新失败,所在班号不存在<br/>";
                    error++;
                    continue;
                }
                stu_model.Agency_id = agency_model.Agency_id;
                stu_model.Role_id   = 3;

                stu_model.User_password = DESEncrypt.MD5Encrypt(number);
                if (stu_bll.GetModel(" User_number='" + number + "'") == null)
                {
                    stu_model.User_id = stu_bll.Add(stu_model);
                    if (stu_model.User_id == 0)
                    {
                        result += "×第" + (i + 1).ToString() + "行数据更新异常<br/>";
                        error++;
                        continue;
                    }
                    else
                    {
                        BLL.CCOM.User_information   user_bll      = new BLL.CCOM.User_information();
                        Model.CCOM.User_information user_model    = user_bll.GetModel("User_number='" + number + "'");
                        BLL.CCOM.Student            student_bll   = new BLL.CCOM.Student();
                        Model.CCOM.Student          student_model = new Model.CCOM.Student();
                        student_model.User_id   = user_model.User_id;
                        student_model.Period_id = 4;
                        student_bll.Add(student_model);
                    }
                }
                else
                {
                    if (!stu_bll.Update(stu_model))
                    {
                        result += "×第" + (i + 1).ToString() + "行数据更新异常<br/>";
                        error++;
                        continue;
                    }
                }
                #endregion

                #region 更新导师信息==========================
                var tea_model = new Model.CCOM.Tutor();
                //姓名
                string tea_name = ds.Tables[0].Rows[i]["指导教师"].ToString().Trim();
                if (!ValidDFValue(tea_name, true, "", ref checkmsg))
                {
                    result += "×第" + (i + 1).ToString() + "行数据更新失败,指导教师" + checkmsg + "<br/>";
                    error++;
                    continue;
                }
                else if (tea_name != "")
                {
                    var tea_user_model = new BLL.CCOM.User_information().GetModel(" User_realname='" + tea_name + "'");
                    if (tea_user_model == null)
                    {
                        result += "×第" + (i + 1).ToString() + "行数据更新失败,指导教师" + tea_name + "不存在<br/>";
                        error++;
                        continue;
                    }
                    tea_model = new BLL.CCOM.Tutor().GetModel(" User_id=" + tea_user_model.User_id);
                    string title_name = ds.Tables[0].Rows[i]["职称"].ToString().Trim();
                    if (!ValidDFValue(title_name, true, "", ref checkmsg))
                    {
                        result += "×第" + (i + 1).ToString() + "行数据更新失败,职称" + checkmsg + "<br/>";
                        error++;
                        continue;
                    }
                    else if (title_name != "")
                    {
                        var title_model = new BLL.CCOM.Title().GetModel(" Title_name='" + title_name + "'");
                        if (title_model == null)
                        {
                            result += "×第" + (i + 1).ToString() + "行数据更新失败,职称" + title_name + "不存在<br/>";
                            error++;
                            continue;
                        }
                        tea_model.Title_id = title_model.Title_id;
                        if (!new BLL.CCOM.Tutor().Update(tea_model))
                        {
                            result += "×第" + (i + 1).ToString() + "行数据更新失败,更新导师信息失败<br/>";
                            error++;
                            continue;
                        }
                    }
                }
                #endregion

                #region 导入选题信息==========================
                string topic_name = ds.Tables[0].Rows[i]["毕业设计题目"].ToString().Trim();
                if (!ValidDFValue(topic_name, true, "", ref checkmsg))
                {
                    result += "×第" + (i + 1).ToString() + "行数据更新失败,题目名称" + checkmsg + "<br/>";
                    error++;
                    continue;
                }
                else if (topic_name != "")
                {
                    topic_model.Topic_name = topic_name;
                }

                string Topic_nature = ds.Tables[0].Rows[i]["题目性质"].ToString().Trim();
                if (!ValidDFValue(Topic_nature, false, "", ref checkmsg))
                {
                    result += "×第" + (i + 1).ToString() + "行数据更新失败,题目性质" + checkmsg + "<br/>";
                    error++;
                    continue;
                }
                else if (Topic_nature != "")
                {
                    topic_model.Topic_nature = Topic_nature;
                }

                string Topic_source = ds.Tables[0].Rows[i]["题目来源"].ToString().Trim();
                if (!ValidDFValue(Topic_source, false, "", ref checkmsg))
                {
                    result += "×第" + (i + 1).ToString() + "行数据更新失败,题目来源" + checkmsg + "<br/>";
                    error++;
                    continue;
                }
                else if (Topic_source != "")
                {
                    topic_model.Topic_source = Topic_source;
                }

                string Topic_content = ds.Tables[0].Rows[i]["题目详情"].ToString().Trim();
                if (!ValidDFValue(Topic_content, false, "", ref checkmsg))
                {
                    result += "×第" + (i + 1).ToString() + "行数据更新失败,题目详情" + checkmsg + "<br/>";
                    error++;
                    continue;
                }
                else if (Topic_content != "")
                {
                    topic_model.Topic_content = Topic_content;
                }

                string Topic_task = ds.Tables[0].Rows[i]["任务书"].ToString().Trim();
                if (!ValidDFValue(Topic_task, false, "", ref checkmsg))
                {
                    result += "×第" + (i + 1).ToString() + "行数据更新失败,任务书" + checkmsg + "<br/>";
                    error++;
                    continue;
                }
                else if (Topic_task != "")
                {
                    topic_model.Topic_task = Topic_task;
                }

                topic_model.Selected_state = true;
                topic_model.Check_state    = 1;
                topic_model.Teacher_id     = tea_model.User_id;
                topic_model.Company        = "软件学院";
                topic_model.Topic_id       = topic_bll.Add(topic_model);
                if (topic_model.Topic_id == 0)
                {
                    result += "×第" + (i + 1).ToString() + "行数据更新异常<br/>";
                    error++;
                    continue;
                }
                #endregion

                #region  题对应关系信息==========================
                if (rela_bll.GetModel(" Student_id=" + stu_model.User_id) != null && rela_bll.GetModel(" Student_id=" + stu_model.User_id).Accept_state != 2)

                {
                    result += "×第" + (i + 1).ToString() + "行学生选题对应关系更新异常,该学生已经在系统有选题记录!<br/>";
                    error++;
                    continue;
                }
                rela_model.Student_id        = stu_model.User_id;
                rela_model.Teacher_id        = tea_model.User_id;
                rela_model.Topic_id          = topic_model.Topic_id;
                rela_model.Accept_state      = 1;
                rela_model.Apply_time        = DateTime.Now;
                rela_model.Topic_relation_id = rela_bll.Add(rela_model);
                if (rela_model.Topic_relation_id == 0)
                {
                    result += "×第" + (i + 1).ToString() + "行数据更新异常<br/>";
                    error++;
                    continue;
                }
                else
                {
                    success++;
                }
                #endregion
            }
            return(result);
        }