添加datatable的行和列

 //为数据集添加列 
   table.Columns.Add(new DataColumn("JYState", typeof(String)));
//为数据集添加行
   DataRow dr = dtNew.NewRow();
              gongZuoDiDian = string.Empty;
              gongZuoXiangMu = string.Empty;
              gongZuoShiJian = string.Empty;
              danWei = string.Empty;
              shuLiangChiCun = 0;
              gongRi = string.Empty;
              caiLiaoXiaoHao = string.Empty;
              jiXieTaiBan = string.Empty;
                dr["gongZuoDiDian"] = l1;
                dr["gongZuoXiangMu"] = l2;
                dr["gongZuoShiJian"] = l3;
                dr["danWei"] = l4;
                dr["shuLiangChiCun"] = l5;
                dr["gongRi"] = l6;
                dr["caiLiaoXiaoHao"] = l7;
                dr["jiXieTaiBan"] = l8;
            dtNew.Rows.Add(dr);
            dtNew.AcceptChanges();