C# (CSharp) Extension_Methods_Delegates_Lambda_LINQ LinqAndLambdaQueries.GroupByGroupName - 2 examples found. These are the top rated real world C# (CSharp) examples of Extension_Methods_Delegates_Lambda_LINQ.LinqAndLambdaQueries.GroupByGroupName extracted from open source projects. You can rate examples to help us improve the quality of examples.