protected void SaveData() //luu du lieu
        {
            try
            {
                if (id > 0)
                {
                    AbountInfo info = new AbountInfo();
                    info.AbountContent = txtDetailText.Value;
                    info.AbountID      = id;
                    AbountManager.Update(info);
                }
                else
                {
                    //this is a new object.
                    AbountInfo info = new AbountInfo();
                    info.AbountContent = txtDetailText.Value;
                    AbountManager.Insert(info);
                }

                this.lblError.Text = "Đã lưu dữ liệu thành công";
            }
            catch (Exception ex)
            {
                this.lblError.Text = ex.Message;
            }
        }
        protected void BinData()
        {
            DataTable dx = AbountManager.SelectAll();

            rptAbountDetail.DataSource = dx;
            rptAbountDetail.DataBind();
        }
        private void BindObject(int objID)
        {
            AbountInfo obj = AbountManager.Select(objID);

            if (obj != null)
            {
                txtDetailText.Value = obj.AbountContent;
            }
        }