查询数据表行数 然后循环查找表 添加数据到ITEMS

1 for( int i=0;i<tbBiao.Rows.Count;i++)
2             {
3             string TableName = (tbBiao.Rows[i]["Table"]).ToString();
4             tbDn = GetAccessData(TableName);
5             DnList = tbDn.AsEnumerable().Select(p => p.Field<double>("DN").ToString()).Distinct().ToList();
6             cbbDn.Items.AddRange(DnList.ToArray());
7             }