NList brings an enormous number of powerful, STL-like algorithms to the .NET platform for processing indexable collections. There is a handlebars.js-like text generator. It has a powerful IComparer builder. There is a DefaultDictionary class. There is a class to convert an object into a dictionary...
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1.Add Data Row Range.
2.Remove Data Row Select.
3.Group By Aggregation (Sum,Count,Avg, Max, Min).
4.DataTable to XML Document.
5.DataTable to XML File.
6.Sum,Count,Avg, Max, Min.
7.NativeGroupAggregation