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Entity Framework Distinct Not Working


Right-click this file and import the SQL database into your model.After you create your model, you’ll notice you have several classes that match the name of your database tables. The FAQs page shows articles from the FAQs category only. Then consider making a donation with PayPal. Subscribe

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Possible repercussions from assault between coworkers outside the office Why is "Try Again" translated to やり直す? Simple: yes. On Wednesday, February 09, 2011 4:13:14 PM Imar Spaanjaars said: Hi Jonathan,This woulsd take 10 records from the non-distinctresult set. Pick Randomly Between -1 or 1 What is this line of counties voting for the Democratic party in the 2016 elections?

Entity Framework Distinct By One Column

SQL Server 2008 –Mostafa Apr 2 '12 at 16:50 That's strange. Should I report it? "The Blessed One", is it bad translation? Unfortunately, something went wrong and your message or comments have not been submitted successfully. Fernando (MCSD) If a post answers your question, please click "Mark As Answer" on that post and "Mark as Helpful".

Comment on Imar.Spaanjaars.Com I am interested in what you have to say about this article. public List GetItemDescription(int ItemNo) { var Result= db.Item_Img_Sal_VIEW.Where(p => p.ItemID == ItemNo).ToList(); return Result.Distinct().ToList(); } Or you can try this Simple Example Public Function GetUniqueLocation() As List(Of Integer) Return db.LoginUsers.Select(Function(p) p.LocID).Distinct().ToList() The following code would return a list of users with a first name of “Jane” using LINQ:Users user = (from u in data.Users where u.fname == ‘Jane’ select u );Now, what Entity Framework Select Distinct Lambda Again, this is more efficient than a Contains which translates to an IN clause.

share|improve this answer edited Sep 2 '15 at 15:48 answered Sep 2 '15 at 15:39 Luis Lavieri 1,81521533 add a comment| Your Answer draft saved draft discarded Sign up or First of all, the Count is off, returning more items that really exist in the database which screws up the paging system. Sign In / Join {{node.title}} {{node.type}} · {{ node.urlSource.name }} · by {{node.authors[0].realName }} DOWNLOAD {{node.downloads}} {{totalResults}} search results Refcardz Guides Zones | Agile Big Data Cloud Database DevOps Integration IoT Marked as answer by Allen_MSDNMicrosoft contingent staff, Moderator Thursday, August 02, 2012 2:51 AM Thursday, July 26, 2012 5:54 PM Reply | Quote 0 Sign in to vote this is the

more hot questions question feed lang-cs about us tour help blog chat data legal privacy policy work here advertising info mobile contact us feedback Technology Life / Arts Culture / Recreation Entity Framework Group By Distinct This is not that bad when you need to get all content anyway and there aren't that many duplicates, but it will surely kill performance when you have lots of records Clearly, this is undesired behavior. this is my linq query: var sql= (from u in db.USER join c in db.CONSULT on u.IdUserequals c.IdUser select new Usuers

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  2. gregreda.com/2013/06/03/join-vs-exists-vs-in, you can find more articles like this one if you google for them.
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  4. The following is an example of using the C# foreach loop:foreach(var name in names) { Console.WriteLine(“Customer name is “+ name.Name); }This is just a few ways to use the LINQ language.
  5. You could use some Linq like this: var distincts = dbContext.RateDetails .Where(i => i.rateId == 3) .Select(i => i.PeriodId) .Distinct(); var result = dbContext.Periods .Where(i => i.Id) .Any(j => distincts.Contains(j.Id)); Edit:
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  7. asked 5 years ago viewed 76257 times active 23 days ago Upcoming Events 2016 Community Moderator Election ends in 9 days Get the weekly newsletter!

Entity Framework Distinct Multiple Columns

So this doesn't meet requirement of getting object with distinct Code value.Way 1 : Make use of MoreLinq LibraryFirst way to achieve the requirement is make use of MoreLinq Library, which Browse other questions tagged c# asp.net entity-framework distinct complextype or ask your own question. Entity Framework Distinct By One Column These are your “entities.” These entities represent your tables, and you use them to select, delete, update and insert data.Learn how to work with MVC C# and LINQ from scratch at Entity Framework Distinct Order By Are you looking to hire an experienced software developer or .NET consultant?

public bool Equals(Usuers usuer) { return this.IdUser == usuer.IdUser; } public override int GetHashCode() { int hCode = this.IdUser.Length; return hCode.GetHashCode(); } Then you should be able to call .Distinct on this content If you try it, you get an error such as the following: {System.Data.SqlClient.SqlException (0x80131904): The text data type cannot be selected as DISTINCT because it is not comparable.

My next attempt For example, the home page shows a list of all articles from all categories. You can find a tutorial here, and also here or use some more Linq magic to split the results. Entity Framework Distinct Comparer

On Tuesday, February 15, 2011 6:05:23 PM Imar Spaanjaars said: Hi Mike,You typically get this error when you return an object from a function with a composable query that hasn't executed share|improve this answer edited Apr 2 '12 at 16:38 answered Apr 2 '12 at 16:18 atticae 5,33763891 The example in the question is LINQ to Entities (Distinct of IQueryable), Is changing DPI of LED harmful? http://tubemuse.com/entity-framework/entity-framework-insert-not-working.html I use this in order to add content to my site which is not public yet.

asked 4 years ago viewed 14862 times active 3 years ago Upcoming Events 2016 Community Moderator Election ends in 9 days Get the weekly newsletter! Iqueryable Distinct var ResultQuery = (from ES in DbMaster.Estudiantes join I in DbMaster.Inscripciones on ES.strCedula equals I.strCedEstud join C in DbMaster.Carreras on I.strCodCarrera equals C.strCodigo where ES.strCedula.Equals(Cedula) select new RolBase { Id = On Tate's "Endomorphisms of Abelian Varieties over Finite Fields", sketch of proof of main result?

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SELECT DISTINCT NAME FROM TestAddresses c# linq entity-framework distinct share|improve this question edited Jan 14 '15 at 5:44 abatishchev 57.4k57216357 asked Dec 27 '10 at 15:24 Patrick 4,0101459124 add a comment| Lambda Expressions (C# Programming Guide). Not the answer you're looking for? Distinct Entity Meaning Use the GroupBy-approch: stackoverflow.com/questions/8560884/… –Markus Knappen Johansson Feb 20 '13 at 15:51 Thanks for your comment and the link, Markus.

Learn more about EF at Udemy.comYour Data ModelVisual Studio has a data modeler and GUI for creating a layout and code for your database. But please think once about what I have said above (select only 10 out of thousands records at .net level and not the DB level).Please suggest/guide a more performance booster solution.Thanks StackOverFlow error for large amount of data… what other method for use distinct without select? check over here How does Gandalf end up on the roof of Isengard?

Wednesday, February 05, 2014 9:37 PM Reply | Quote Microsoft is conducting an online survey to understand your opinion of the Msdn Web site. LINQ also saves you a lot of time, because you don’t need to keep two windows open: your Visual Studio and SQL Server Management Studio.You can also connect to your Visual