Left Join Datatable with lenght

we do have some doubts on the requirement description and the mentioned output.

When the output is only 100 then it is more a hint to match / inner join case

dtOuput = dt1.Clone

dtOutput =

(From d1 in dt1.AsEnumerable
Join d2 in dt2.AsEnumerable
On CDbl(d1(0).toString) Equals CDbl(d2(0).toString
Let ra = new Object() {CDbl(d1(0).toString)}
Select r = dtOutput.Rows.Add(ra)).CopyToDataTable

Handling empty resultrs as described here:
:ambulance: :sos: [FirstAid] Handling of The source contains no DataRows exception - News / Tutorials - UiPath Community Forum