I want to get the contents of two tables using only one for each row

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1

I want to get the contents of two tables using only one for each row
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2

Can you explain the requirement, you need to merge data tables if you want to do that or, you can loop through one data table and using the output index of the for each row, you can retrieve the values in second data table passing the index

3

I am getting the collation of one table and I want to know if it contains in the other table … but I am using only one for each row …

4

You can do that using enumerable, declare a new boolean type variable and check the value using

dt.AsEnumerable().Where(c => c.Field<string>("Column name you want to check").Equals("value you want to check")).Count() > 0;

which will return true or false based on the existance of the value

5

I want to return the content / value, not only if it contains or not