LINQ Query:
Non-Matched Values :
dtMonthlyTable.AsEnumerable().Where(Function(row) Not dtReferenceTable.AsEnumerable.Any(Function(x) x(“Item Name”).ToString=row(“Item Description”).ToString)).copytoDataTable
Length and where:
dtMonthlyTable.AsEnumerable().Where(Function(row) row("Item Description").ToString.Length = 4).CopyToDataTable
Multiple Where:
dtMonthlyTable.AsEnumerable().Where(Function(row) row("Item Description").ToString.Length = 4).Where(Function(row) row("Quantity").ToString.Contains("3")).CopyToDataTable