/// <summary>
        /// 数据表拆分主方法
        /// </summary>
        /// <returns></returns>
        public static string TabTeacherAllCourse()
        {
            //查找不重复的课程信息(课程信息 伪主键)sql语句去重查找↓
            string    strSql = "select distinct [TimeAndArea],[TeacherDepartment],[TeacherID],[TeacherName],[CourseAllWeek],[CourseWeek],[CourseTime],[CourseAddress],[TimeAndArea],[CourseID],[CourseName] ,[t1] ,[t2] ,[t3] ,[Class] from [TabTeacherAllCourse]";
            DataTable dt     = ConnHelper.GetDistinceColoum(strSql);

            dt.Columns.RemoveAt(0);
            //表列结构[TeacherDepartment],[TeacherID],[TeacherName],CourseAllWeek,CourseWeek,CourseTime,CourseAddress,[TimeAndArea]

            DataTable TabCourseSimple = dt.Clone();//中转作用,保存拆分

            TabCourseSimple.Clear();

            for (int i = 0; i < dt.Rows.Count; i++)
            {
                SplitToDataTable.SplitTimeAndArea(dt.Rows[i], 3, TabCourseSimple, 3, new char[] { ' ' });
            }

            return(ConnHelper.DataTableToSQLServer("TabTeacherCourseWeek", TabCourseSimple));
        }