public LinkedList GetGroupNameByChartID(string chartId)
{
LinkedList llGroupName = new LinkedList();
DataSet dsGroupName = new DataSet();
dsGroupName = _ws.GetGroupNameByChartId(chartId);
if (dsGroupName.Tables.Count > 0 && dsGroupName.Tables[0].Rows.Count > 0)
{
llGroupName.Add(COLUMN.GROUP_NAME, dsGroupName.Tables[0].Rows[0][COLUMN.GROUP_NAME].ToString());
}
return(llGroupName);
}