/// <summary>
        /// 导入事件
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void btn_ImptCrtWghtDsgnRst_Click(object sender, EventArgs e)
        {
            if (selNode == null || selNode.Level == 0)
            {
                MessageBox.Show("请选择数据");
                return;
            }

            //绑定列表数据
            WeightSortData sortData = GetWeightSortData();

            if (sortData == null || sortData.lstWeightData.Count == 0)
            {
                MessageBox.Show("没有重量数据,不能导入");
                return;
            }


            if ((form.lstJHRatio != null && form.lstJHRatio.Count > 0) ||
                (form.lstTeachRatio != null && form.lstTeachRatio.Count > 0))
            {
                //判断导入基础重量分类一致
                if (WeightSortData.blIsSame(form.basicWeightData, sortData) == false)
                {
                    DialogResult result = MessageBox.Show("当前选择会清空当前数据?", "继续提示", MessageBoxButtons.YesNo, MessageBoxIcon.Information);

                    if (result == DialogResult.Yes)
                    {
                        form.InitializeData();

                        form.BindWeightData(sortData);

                        List <WeightData> lstBasicWeightData = WeightSortData.GetListWeightData(form.basicWeightData);
                        form.SetBasicWeightData(lstBasicWeightData);
                        form.SetRatioGridView(lstBasicWeightData);
                    }
                    else
                    {
                        return;
                    }
                }
                else
                {
                    form.InitializeData();
                    form.BindWeightData(sortData);
                    List <WeightData> lstWeightData = WeightSortData.GetListWeightData(sortData);
                    form.SetBasicWeightData(lstWeightData);
                    form.SetRatioGridView(lstWeightData);
                }
            }
            else
            {
                //设置基础重量数据
                form.BindWeightData(sortData);
                List <WeightData> lstWeightData = WeightSortData.GetListWeightData(sortData);
                form.SetBasicWeightData(lstWeightData);
                form.SetRatioGridView(lstWeightData);
            }

            this.Close();
        }