... do?The LINQ to DataSet operators allow a developer to perform LINQ queries on a DataSet, and since a DataSet can be obtained using normal ADO.NET SQL queries, LINQ to DataSet allows LINQ queries ... query on data in a database using ADO.NET to obtain a DataSet, then turn right around and query that data again using LINQ to DataSet, all within several lines of code. In real life, some would ask, ... dataRow in intersect){ Console.WriteLine("{0,- 15} {1,- 15} ", dataRow.Field<int>(0), dataRow.Field<string>(1));}intersect = seq1.Intersect(seq2);Console.WriteLine("{0}Results...