Include than order by the field in linq
WebThen you can order the movies with the following syntax: var movies = _db.Movies.OrderBy (item => item, new MovieComparer ()); If you need to switch the ordering to descending for one of the items just switch the x and y inside the Compare () method of the MovieComparer accordingly. Share. WebSep 15, 2024 · A sorting operation orders the elements of a sequence based on one or more attributes. The first sort criterion performs a primary sort on the elements. By specifying a …
Include than order by the field in linq
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WebFeb 25, 2024 · 2024 and still broken, this is also not a duplicate. The OP is asking about OrderBY, which is not the same as the DUPLICATE answer. So this is the Correct answer!! FOR OTHERS LOOKING - If you do OrderBy inside ThenInclude, EF core will use the PK first then the orderby field, so your sort will not have the expected outcome. WebNov 8, 2014 · The problem is that when adding .Include (x => x.Children), the ORDER BY statement that Entity Framework adds to the generated SQL causes the query to take a long time to execute - something like the below: ORDER BY [Project2]. [Id1] ASC, [Project2]. [Id2] ASC, [Project2]. [Id] ASC, [Project2]. [C4] ASC
WebJan 22, 2013 · You need to put all calls to Include () first. This should work: var myOrder= db.Orders.Include ("OrderItems") .Include ("OrderItems.Product") .Include … WebOct 17, 2024 · Consider the following LINQ query. using (var context = new LINQEntities()) { var fileCollection = context.FileRepository.Where(a => a.IsDeleted == false).ToList(); } This query will be compiled into SQL as shown the following screenshot. Query Compiled into SQL Though we might need only a few columns, we have loaded them all.
WebMar 30, 2016 · Service layer (the service models' (DTO) properties match whatever the client-side wants to order by) Domain layer (it exposes repository interfaces to access persisted objects) ORM layer (it implements the repository and it uses Entity Framework 7 (a.k.a Entity Framework Core) to access a SQL Server database) WebApr 2, 2013 · The Include is a Eager Loading function, that tells Entity Framework that you want it to include data from other tables. The Include syntax can also be in string. Like this: db.Courses .Include ("Module.Chapter") .Include ("Lab") .Single (x => x.Id == id); But the samples in LinqPad explains this better. Share Improve this answer Follow
WebAug 11, 2024 · var users = _context.User.Select (x => x.LastName).Distinct () // (1) .SelectMany (key => _context.User.Where (x => x.LastName == key).Take (1)) // (2) // the rest is the same as the origonal .OrderBy (x => x.LastName) .Take (10) .ToList (); Share Improve this answer Follow answered Aug 11, 2024 at 11:21 Ivan Stoev 191k 14 298 327 2
WebSep 29, 2024 · 1. You could try breaking out the top layer Linq statement into a foreach and creating a list for each type of NetStatus that you have. You can then combine your lists for an ordered result. foreach (var r in reports) { var newList = r.Nets.Where (n => n.NetStatus.Equals ("New")).OrderBy (n => n.NetId).ToList (); var upatedList = … food trucks fort worth texasWebThe ThenBy and ThenByDescending extension methods are used for sorting on multiple fields. The OrderBy () method sorts the collection in ascending order based on specified … food trucks frankenmuth miWebNov 21, 2008 · private static LambdaExpression GenerateSelector (String propertyName, out Type resultType) where TEntity : class { // Create a parameter to pass into the Lambda expression (Entity => Entity.OrderByField). var parameter = Expression.Parameter (typeof (TEntity), "Entity"); // create the selector part, but support child properties PropertyInfo … food trucks fort worth cateringWebSep 1, 2016 · if there is a relationship between customers and orders you do not need to join, and just adapt your select statemebt by something like this. select new {CustomerID = c.CustomerId, TotalOrders = (t == null ? 0 : c.Orders.Count ())}; – Laurent Lequenne Aug 31, 2016 at 23:10 Add a comment 3 Answers Sorted by: 0 electric power washing for vinyl sidingWebYou can use a comparison in OrderBy or ThenBy to perform a conditional sorting. list.OrderByDescending (i => i == 3).ThenBy (i => i); I use OrderByDescending because i want matching results first ( true is "higher" than false ). Share Improve this answer Follow edited Nov 14, 2024 at 13:30 answered Mar 29, 2012 at 21:38 Tim Schmelter food trucks fort myersWebJan 12, 2024 · // Matches on start, so uses an index (on SQL Server) var posts1 = context.Posts.Where (p => p.Title.StartsWith ("A")).ToList (); // Matches on end, so does not use the index var posts2 = context.Posts.Where (p => p.Title.EndsWith ("A")).ToList (); food trucks frederick marylandWebMay 28, 2009 · LINQ - Dynamic OrderBy in VB.Net. I am trying to do something similar to this sample code from Phil Haack to VB, and LINQ Orderby is giving me problems - and I can't figure out how to do this. Entire method posted for completenes. public ActionResult DynamicGridData (string sidx, string sord, int page, int rows) { var context = new ... electric power washer with filter