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I would like to implement a "Group By" for my datatable. Has any one any suggestions?

update:

c#, .net 2.0

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You can use the linq extensions in the System.Data.DataSetExtensions assembly:

DataTable t = // var groups = t.AsEnumerable() .GroupBy(r => r.Field<T>("columnName"))
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Use LINQ to DataSets and the GroupBy extension methods.

Add assembly System.Data.DataSetExtensions.dll to your project to get access to the AsEnumerable() extension method.

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