private void loadData()
 {
     newOid              = -1;
     listDataChange      = new List <SCIndexData>();
     gridData.DataSource = null;
     listData            = SCIndexData.getIndexData();
     if (listData == null)
     {
         listData = new List <SCIndexData>();
     }
     dataTable           = ObjectUtils.ConvertToDataTable(listData);
     gridData.DataSource = dataTable;
 }
        private void dtIndexingDate_ValueChanged(object sender, EventArgs e)
        {
            DateTime    dt        = dtIndexingDate.Value;
            SCIndexData indexData = SCIndexData.getIndexData(dt);

            if (indexData != null)
            {
                dfIndexValue.Value = indexData.IndexValue;
            }
            else
            {
                dfIndexValue.Value = 0;
            }
        }