protected void Button_Delete_Click(object sender, EventArgs e)
        {
            string course_schedule_id = Input_Delete_Course_Schedule_ID.Text;
            bool   isChanged          = CourseScheduleDBUtil.Delete(course_schedule_id);

            if (isChanged)
            {
                string toastrScript = ToastrHelper.GetToastrScript("success", "提示", "删除课程安排信息成功。");
                ScriptManager.RegisterClientScriptBlock(this.Page, this.GetType(), "script", toastrScript, true);
            }
            else
            {
                string toastrScript = ToastrHelper.GetToastrScript("danger", "提示", "删除课程安排信息失败。");
                ScriptManager.RegisterClientScriptBlock(this.Page, this.GetType(), "script", toastrScript, true);
            }
            Data_Bind();
        }
        protected void Button_Update_Click(object sender, EventArgs e)
        {
            string course_schedule_id = Input_Update_Course_Schedule_ID.Text;
            string update_item_select = Input_Update_Item_Select.Value.ToString();
            string update_value       = Input_Update_Value.Text;
            bool   isChanged          = false;

            switch (update_item_select)
            {
            case "课程安排编号":
                isChanged = CourseScheduleDBUtil.UpdateID(course_schedule_id, update_value);
                break;

            case "课程编号":
                isChanged = CourseScheduleDBUtil.UpdateCourseID(course_schedule_id, update_value);
                break;

            case "面向院系编号":
                isChanged = CourseScheduleDBUtil.UpdateDeptID(course_schedule_id, update_value);
                break;

            case "课程安排类型":
                isChanged = CourseScheduleDBUtil.UpdateType(course_schedule_id, update_value);
                break;

            case "课程安排容量":
                isChanged = CourseScheduleDBUtil.UpdateCapacity(course_schedule_id, update_value);
                break;

            case "课程安排状态":
                isChanged = CourseScheduleDBUtil.UpdateStatus(course_schedule_id, update_value);
                break;
            }
            if (isChanged)
            {
                string toastrScript = ToastrHelper.GetToastrScript("success", "提示", "修改课程安排信息成功。");
                ScriptManager.RegisterClientScriptBlock(this.Page, this.GetType(), "script", toastrScript, true);
            }
            else
            {
                string toastrScript = ToastrHelper.GetToastrScript("danger", "提示", "修改课程安排信息失败。");
                ScriptManager.RegisterClientScriptBlock(this.Page, this.GetType(), "script", toastrScript, true);
            }
            Data_Bind();
        }
        protected void Button_Add_Click(object sender, EventArgs e)
        {
            string course_schedule_id       = Input_Add_Course_Schedule_ID.Text;
            string course_id                = Input_Add_Course_ID.Text;
            string department_id            = Input_Add_Department_ID.Text;
            string course_schedule_type     = Input_Add_Course_Schedule_Type.Value;
            string course_schedule_capacity = Input_Add_Course_Schedule_Capacity.Text;
            string course_schedule_status   = Input_Add_Course_Schedule_Status.Text;

            bool isChanged = CourseScheduleDBUtil.Add(course_schedule_id, course_id, department_id, course_schedule_type, course_schedule_capacity, course_schedule_status);

            if (isChanged)
            {
                string toastrScript = ToastrHelper.GetToastrScript("success", "提示", "添加课程安排信息成功。");
                ScriptManager.RegisterClientScriptBlock(this.Page, this.GetType(), "script", toastrScript, true);
            }
            else
            {
                string toastrScript = ToastrHelper.GetToastrScript("danger", "提示", "添加课程安排信息失败。");
                ScriptManager.RegisterClientScriptBlock(this.Page, this.GetType(), "script", toastrScript, true);
            }
            Data_Bind();
        }