修改怎么做,我思路不清晰,高手帮忙

Question

  try
            {
                string User_id = "";
                if (gridUserList.Rows[e.RowIndex].Cells["USER_ID"].Value != null)
                {
                    User_id = gridUserList.Rows[e.RowIndex].Cells["USER_ID"].Value.ToString();
                }
                if (String.IsNullOrEmpty(User_id))
                {
                    return;
                }
                //判断用户ID在系统中是否存在
                Model_MS_USER model = new Model_MS_USER();
                model = user.GetModel(User_id);                if (model == null)
                {
                    model = new Model_MS_USER();
                    //不存在，新增
                    model.USER_ID = User_id;
                    model.USER_NAME = gridUserList.Rows[e.RowIndex].Cells["USER_ID"].Value.ToString();
                    model.PASSWORD = "111111";
                    if (gridUserList.Rows[e.RowIndex].Cells["CONTACT_TEL"].Value != null)
                    {
                        model.CONTACT_TEL = gridUserList.Rows[e.RowIndex].Cells["CONTACT_TEL"].Value.ToString();
                    }
                    if (gridUserList.Rows[e.RowIndex].Cells["CONTACT_MOBILE"].Value != null)
                    {
                        model.CONTACT_MOBILE = gridUserList.Rows[e.RowIndex].Cells["CONTACT_MOBILE"].Value.ToString();
                    }
                    if (gridUserList.Rows[e.RowIndex].Cells["CONTACT_EMAIL"].Value != null)
                    {
                        model.CONTACT_EMAIL = gridUserList.Rows[e.RowIndex].Cells["CONTACT_EMAIL"].Value.ToString();
                    }
                    if (gridUserList.Rows[e.RowIndex].Cells["IS_LOCKED"].Value==null||(bool)gridUserList.Rows[e.RowIndex].Cells["IS_LOCKED"].Value==false)
                    {
                        model.IS_LOCKED = "0";
                    }
                    else
                    {
                        model.IS_LOCKED = "1";
                    }                    model.CREATED_BY = StaticInfo.UserInfo.UserID;
                    model.CREATED_ON = DateTime.Now;
                    model.CREATE_SERVICE_CENTER = StaticInfo.UserInfo.ServiceCenterID;
                    model.UPDATE_COUNT = 0;                    user.Add(model);
                  
                }
                else
                {
                    //存在，修改
                }
            }
            catch (Exception ex)
            {                throw ex;
            }

Answer 1

修改的时候model = new Model_MS_USER();这句不用，然后用user.GetModel(User_id);得到的对象model进行操作就行了。

Answer 2

  Model_MS_USER model = new Model_MS_USER();
改为Model_MS_USER model；