public static DataTable GetDataTable(DataTable dt)
        {

            Dictionary<string, DataTable> dict = new Dictionary<string, DataTable>();
            DataTable dtresDt = dt.Clone();

            DataView dv = new DataView(dt);
            DataTable dtTJ = dv.ToTable(true, "
 
band", "bw","scs", "ofdm", "modulation");
            for (int i = 0; i < dtTJ.Rows.Count; i++)
            {

                //DataRow[] row = dt.Select("band='" + dtTJ.Rows[i]["band"].ToString() + "' and   scs='" + dtTJ.Rows[i]["scs"].ToString() + "   and   bw='" + dtTJ.Rows[i]["bw"].ToString() + "' and   ofdm='" + dtTJ.Rows[i]["ofdm"].ToString() + "' and   modulation='" + dtTJ.Rows[i]["modulation"].ToString() + "'");
 

                var res = dt.Select("band = '" + dtTJ.Rows[i]["band"].ToString() + "' and bw='" + dtTJ.Rows[i]["bw"].ToString() + "' and scs='" + dtTJ.Rows[i]["scs"].ToString() + "' and ofdm='" + dtTJ.Rows[i]["ofdm"].ToString() + "' and modulation='" + dtTJ.Rows[i]["modulation"].ToString() + "'");//按條件查詢出符合條件的行
 

                DataTable resDt = dt.Clone();//克隆一個表
                foreach (var j in res)
                {
                    resDt.ImportRow(j);//將符合條件的行放進表裡
                }

                //DataView dataView = new DataView(resDt);
                //dataView.Sort = "channel Asc";
                // DataTable dtNew= dataView.ToTable();//根據channel 列排序                             
                dict.Add(mode, resDt);//將鍵值對存起來
            }          
            foreach (var item in dict)
            {
                DataRow row = item.Value.Rows[0];
                row["test_mode_data"] = item.Key;
                dtresDt.ImportRow(row);
            }
            return dtresDt;
        }