In this article Query expression overview How to enable LINQ querying of your data source IQueryable LINQ providers Language-Integrated Query (LINQ) is the name for a set of technologies based on the integration of query capabilities directly into the C# language. Traditionally, queries against...
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You might need to add ausingdirective,using System.Linq;, for the preceding example to compile. The most recent versions of .NET make use ofimplicit usingsto add this directive as aglobal using. Older versions require you to add it in your source. ...
string[] strings = ["a","b","c","d","e"];varquery5 = strings.AlternateElements();foreach(varelementinquery5) { Console.WriteLine(element); }// This code produces the following output:// a// c// e Group results by contiguous keys ...
string[] strings = ["a","b","c","d","e"];varquery5 = strings.AlternateElements();foreach(varelementinquery5) { Console.WriteLine(element); }// This code produces the following output:// a// c// e Group results by contiguous keys ...
If the method hasSystem.ActionorSystem.Func<TResult>parameters, these arguments are provided in the form of alambda expression, as shown in the following example: C# // Query #6.IEnumerable<int> largeNumbersQuery = numbers2.Where(c => c >15); ...
It has some advantages over the Quaere library because it doesn't use any magic string, it is completely type safe and in my opinion it offers a more readable DSL. Share Improve this answer Follow edited Sep 10, 2017 at 17:06 Cœur 38.4k2626 gold badges201201 silver badges275275 ...
var movies = from row in _db.Movies orderby row.Category, row.Name select row; [EDIT to address comment] To control the sort order, use the keywords ascending (which is the default and therefore not particularly useful) or descending, like so: var movies = from row in _db.Movies ord...
The goal of the CLinq project is to allow using part of LINQ's functionality from C++/CLI. Thanks to a very powerful operator overloading mechanism in C++/CLI it is possible to enable use of LINQ in SQL for accessing SQL databases in C++/CLI, as well as some other LINQ uses. I ...
In the where clause of this query, both int.Parse and string. Contains are used to help filter messages: int.Parse(msg.Label) > 5 && msg.Body.ToString().Contains('CSharpRecipes.D') Finally, the orderby is used to sort the results in descending order: orderby msg.Body.ToString() ...