WebNov 30, 2024 · Booleanだって ORDER BYできるもん sell SQL, boolean NULLを含むデータをソートするときに NULLを先頭に持ってきたり、末尾に持ってきたりしたいときがあると思います。 そんなときは、真偽値でもソートできるということを知っておくと、NULLのソート順を自在に扱うことができます。 NULLのソート順 PostgreSQLにおいて、以下の … WebApr 30, 2015 · C# db.Pupil.OrderBy (CreateExpression> ( "Name" )); It's ironic if you think about it. All this is needed to wrap the property name only to allow the LINQ provider to extract it later in order to generate the ORDER BY clause. Ok, there may be some mapping but anyway... Edit Please note that this doesn't work.
How do I specify LINQ
WebNov 27, 2012 · For instance repo.FindBy (it => it.Something == something).OrderBy (it => it.OrderProperty). It will still be translated to "select [fields] from [table] where [predicate] order by [orderprop]" when enumerated. Otherwise it looks good. Here's a couple of … WebJan 12, 2024 · Ordering data by boolean. I have a bit of EF Lambda code which returns a list of data from the db table, then orders by a field called IsDefault. var listOfData = Db … razor fortnite tournament
Order by bool in LINQ syntax - social.msdn.microsoft.com
WebAug 2, 2012 · public static IEnumerable Order (this IEnumerable source, Func selector, bool ascending) { if (ascending) { return source.OrderBy (selector); } else { return source.OrderByDescending (selector); } } Then you can just write: lst = lst.Order ( s => s.Letter, isAscending ); WebFeb 24, 2024 · C# List foos = GetFoo (); //ascending order foos = RepoHelper.SortBy (foos, "Name" ); //descending order foos = RepoHelper.SortBy (foos, "ID", false ); You can test it here: RepoHelper C# Online Compiler .NET Fiddle [ ^ ] Posted 23-Feb-21 20:17pm Maciej Los Updated 23-Feb-21 … WebApr 2, 2024 · A better way to do dynamic OrderBy () in C# A common feature in various applications is to sort some collection by one of it’s properties, dependent on some input like the column clicked by the user. An implementation might take a string or enum for the column plus a bool or enum for ascending vs. descending. razor for shaving your balls