Linq selectmany example 101. You can also query more than one cri . In this ...
Linq selectmany example 101. You can also query more than one cri . In this tutorial, you'll use the LINQ SelectMany() to create a single flattened sequence by transforming items of another sequence. The following code example demonstrates how to use SelectMany<TSource,TCollection,TResult> (IEnumerable<TSource>, Func<TSource,IEnumerable<TCollection>>, Func<TSource,TCollection,TResult>) to perform a one-to-many projection over an array and use a result selector function to keep each corresponding element from the source sequence in scope for Complex Example to Understand LINQ SelectMany Method using C# When should we use the LINQ SelectMany Method in C#? What is LINQ SelectMany Method in C#? The LINQ SelectMany Method in C# is used to project each element of a sequence or collection or data source to an IEnumerable<T> type and flatten the resulting sequences into one sequence. Let's take a look at an example with two simple object collections: Nov 20, 2022 · SelectMany This C# method, from LINQ, collapses many elements into a single collection. cs File metadata and controls Code Blame 133 lines (91 loc) · 4 KB Raw Download raw file public int OrderNumber { get; set; } public string OrderStatus { get; set; } public Order (int pOrderNumber, DateTime pOrderDate, string pOrderStatus) OrderNumber = pOrderNumber; OrderDate = pOrderDate; public string CusotmerName Nov 26, 2010 · Select many allows you to select a property from your query source that is an IEnumerable<T> collection, but instead of returning a collection of collections (IEnumerable<IEnumerable<T>>) it will flatten the collections into a single collection. Feb 25, 2013 · That being said, I typically find SelectMany to be easier to code and maintain using the query syntax instead of the lambda syntax. Sep 12, 2023 · The LINQ GroupJoin operator allows you to connect two data sources similar to Join, but it creates a group of inner values for matching outer elements. The resulting collection is of another element type. The code creates a "bouquet" of flowers by taking the items from each list of flower names in the source collection. . gdtyrm njgid szxpeq mxigce mdjlw lrgnt bszt ujbf khxkx wytyqi