Check Dt1 Column1 all Values Exist In the Dt2 column 1

@Prateek_Gulab_Pathak

You can try this

Array1=dt1.AsEnumerable.select(function(x) x(0).tostring).toarray

Array2=
dt2.AsEnumerable.select(function(x) x(0).tostring).toarray

Booloutput= Array1.Except(Array2).Count() = 0

If booloutput gives true or false

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