x86.frmMain.SearchTask C# (CSharp) Method

        private void SearchTask()
        {
            TasksClass tasksClass1 = new TasksClass();
            int num = (int)Convert.ToInt16(this.comboBox1.Text.Replace("天内", ""));
            DataGridView dataGridView = this.grid_myTask;
            TasksClass tasksClass2 = tasksClass1;
            int userId = sys.LoginUser.ID;
            string stu = this.rw_search_stu.Text.Replace("查询所有", "");
            DateTime dateTime = DateTime.Now;
            dateTime = dateTime.AddDays((double)-num);
            string rq = dateTime.ToString("yyyy-MM-dd HH:mm:ss");
            DataTable myTask = tasksClass2.getMyTask(userId, stu, rq);
            dataGridView.DataSource = (object)myTask;
        }