Include than order by the field in linq
WebMay 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 ... WebApr 13, 2024 · 6. Linq. If you are a networking professional, Linq can be an ideal digital business card for you. Linq allows you to share information with prospects using a customizable page. Key Features: You can create multiple profiles for different settings under one account. You can set up reminders to follow up with new contacts.
Include than order by the field in linq
Did you know?
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) WebThis method compares keys by using the default comparer Default. This method performs a stable sort; that is, if the keys of two elements are equal, the order of the elements is preserved. In contrast, an unstable sort does not preserve the order of elements that have the same key. In query expression syntax, an orderby (Visual C#) or Order By ...
WebJan 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 (); 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 = …
WebSep 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 WebOct 30, 2014 · As a performance measure, Include () allows you to indicate which related entities should be read from the database as part of the same query. Using the same example, this might bring in all of the related order headers, but none of the other records: var customersWithOrderDetail = context.Customers.Include ("Orders").ToList ();
WebDec 17, 2010 · The solution is Linq.Dynamic You do it like this: (from c in Context.AccountCharts where c.Account_FK == account && c.Year_FK == year select c).OrderBy (order); You have to download the System.Linq.Dynamic.dll and include it into your project. Is there a way to order a linq query by the name of a field. like this:
WebApr 12, 2024 · I found Removing "RE:" (and alikes) from email subject using RegEx class which is great at stripping re: etc. from the incoming subject. But, we have instances where the ticket title includes the RE:. I anticipate that it could include FW: and FWD: and the mixed and lower case versions of all of those. What's the cleanest Linq or SQL query to ... greenfield ca news 2018WebJan 22, 2013 · You need to put all calls to Include () first. This should work: var myOrder= db.Orders.Include ("OrderItems") .Include ("OrderItems.Product") .Include … greenfield ca police reportsWebAug 18, 2024 · In order to use it, just type: yourList.AsQueryable ().ApplySort ("thefieldName") If you put a - before the fieldName, then the order by will be descending. yourList.AsQueryable ().ApplySort ("-thefieldName") Share Improve this answer Follow answered Aug 18, 2024 at 16:56 Luis Teijon 4,721 7 36 57 Add a comment 0 flume playlandWebDec 6, 2011 · The Dynamic LINQ library exposes a set of extension methods on IQueryable corresponding to the standard LINQ methods at Queryable, and which accept strings in a special syntax instead of expression trees. You need to include the Library separately. Include System.Linq.Dynamic.Core. The Author of this Library is not Microsoft.. flume palaces backgroundWebAug 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 flume palaces songsWebYou 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 greenfield caravan servicesWebNov 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 greenfield ca public library