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The Specified Entity Is Not Contained In This Entityset. Remove

I found this, and it works well : if (item!= null) { Class2 myPiece = MyDataSource.DataView.OfType().Where(OrEs => OrEs.Att1 == item.Att1).FirstOrDefault() ; MyDataSource.dataView.Remove(myPiece); } c# silverlight silverlight-4.0 share|improve this question edited Feb To your other problems, I never use the DomainDataSource myself and I usually don't answer questions about it so I am not sure what is happening there. Do you want to know when a feature you care about is added or when a bug fixed? Visual Studio's load test and 400 Bad request erro... ► February (9) ► January (4) ► 2010 (57) ► December (3) ► November (4) ► October (5) ► September (4) ►

Any ideas? If I do manipulate the event and make a link query will that query be asynchronous? Explore the Telerik Feedback Portal and vote to affect the priority of the items Shanmuga 15 posts Member since: Mar 2015 Posted 28 Aug 2015 in reply to Dimitrina Link to Stefan X1 Admin 537 posts Posted 16 Sep 2015 Link to this post Hello Shanmuga, I tested the application with 2011.3.1220.1040 assemblies version targeting Silverlight 4 and 5 and it seems http://stackoverflow.com/questions/9428980/getting-the-specified-entity-is-not-contained-in-this-entityset-error

Jump to forum: .NET .NET GUI ASP.NET ATL/WTL C/C++ C/C++ Applied COM/DCOM/ActiveX Delphi & Builder Java MFC Qt Unix Visual Basic WIN API XML / SOAP Declarative programming Dynamic languages Tools DomainDataSource it is exact not the empty. Programmer's Town ».NET »The specified entity is not contained in this EntitySet. I've a class A and class B and the Id column of class A is a FK in B (B has a column called AId).

Note, that in order two objects to be equal, they need to point to the same memory location. Do you need your password? when I was trying to delete entity I got The specified entity is not contained in this EntitySet. Explore the Telerik Feedback Portal and vote to affect the priority of the items Shanmuga 15 posts Member since: Mar 2015 Posted 11 Sep 2015 in reply to Stefan X1 Link

Andrewd;On the first question:Simply you change "existing" record and you do .On the second: 8 Reply by Andrewd 2012-06-26 11:24:36 Andrewd Member Offline Registered: 2005-09-15 Posts: 381 Re: The specified entity Andrewd;Well and correctly to you swears, what for you create new essence which "as though does not exist anywhere"?You need to make search from DomainContext, type of it://... This is where I will make my generic "DeleteByID" method. have a peek at these guys new UserFullNameEntity()).Surname1, Surname2 = (dbContext.UsersFullName.Find((Guid)u.ProviderUserKey) ??

Insults are not welcome. Regards, Stefan X1 Telerik Do you want to have your say when we set our development plans? General FAQ Ask a Question Bugs and Suggestions Article Help Forum Site Map Advertise with us About our Advertising Employment Opportunities About Us Getting The specified entity is not contained in You need to find the item that matches the same attributes in your datasoure and then delete that.

Can I use the Task class or any other Threading class so I can create a separate thread for the query and on return add an error to the validation error Silverlight > WCF RIA Services with Silverlight Question 0 Sign in to vote Alright, So I'm working on the now classic WCF RIA Master detail structure and stuck on this all This record of 100 % is in basis CR_DEL.contest_oid = VGR.contest_oid; CR_DEL.ContestResult_oid = VGR.ContestResult_oid; CR_DEL.student_oid = VGR.student_oid; CR_DEL.result = VGR.result; contestresultDomainDataSource.DataView.Remove (CR_DEL); <- - Here an error.Who-thread faced? 2 Reply by See more: C# Silverlight MVVM I am using silverlight mvvm light framework.

General FAQ Ask a Question Bugs and Suggestions Article Help Forum Site Map Advertise with us About our Advertising Employment Opportunities About Us Ask a Question All Questions All Unanswered FAQ that seemed to solve the problem of getting an error on delete but still my TextBlock is not updating... MembershipUser user = Membership.CreateUser(userData.UserName, userData.Password, userData.Email); user.Comment = userData.Comment; user.IsApproved = userData.IsApproved; Membership.UpdateUser(user); string[] roles = GetRolesFromUserData(userData); if( roles != null && roles.Any() ) { Roles.AddUserToRoles(user.UserName, roles); } dbContext.UsersFullName.Add(new UserFullNameEntity { Do you want to know when a feature you care about is added or when a bug fixed?

Entities/EntitySet don't work that way: the context tracks which entities you retrieved from the database. The difference from 2011.3.1220.1040 version is that an exception is raised. share|improve this answer answered Feb 24 '12 at 10:42 ken2k 34.8k454106 add a comment| Your Answer draft saved draft discarded Sign up or log in Sign up using Google Sign I've a grid that shows a bunch of rows from class B.

You have a great blog!ReplyDeleteAnonymous23 June 2012 at 04:59Cool. Simple Write your own method to check the username is exists or not.. 2. Count=322 12 11, 09:06[10225715] | Re: The specified entity is not contained in this EntitySet. [new] Andrewd Member : , : 251

It means that if you try to remove an entity that is not an instance of an entity that came from the database, it is unknown for the context.

Explore the Telerik Feedback Portal and vote to affect the priority of the items Shanmuga 15 posts Member since: Mar 2015 Posted 28 Aug 2015 in reply to Dimitrina Link to Juan Carlos Galvez Friday, August 03, 2012 12:20 PM Reply | Quote All replies 0 Sign in to vote Hey, well, reading here and there I found a partial solution for Any ideas? This content, along with any associated source code and files, is licensed under The Code Project Open License (CPOL) Top Experts Last 24hrsThis month Mika Wendelius 125 Peter Leow 95

Solution 1 Accept Solution Reject Solution This is because you are creating a new instance of your form section object. You can also take a look at thisblog postfor a reference on how to isolate an issue. Thanks a lot in advance. All Rights Reserved.

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