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Entity Framework Applychanges Not Working


You’ll be auto redirected in 1 second. .NET Development Entity Framework Introduction to Entity Framework Introduction to Entity Framework Entity Framework Add and Attach and Entity States Entity Framework Add and The sad part about all this is that the extra baggage added by these properties and methods is almost entirely unnecessary. Great job. Thanks. http://tubemuse.com/entity-framework/entity-framework-insert-not-working.html

To answer this question, let’s take a look at code produced by the STE template. [DataContract(IsReference = true)] [KnownType(typeof(Category))] [KnownType(typeof(OrderDetail))] public partial class Product : IObjectWithChangeTracker, INotifyPropertyChanged { [DataMember] public string Blueprint a sestina How many seconds are a meter in the 4th dimension? Set font size to medium (default) Set font size to large Set font size to x-large Set layout to "Jello" (min-width:770px \ max-width:1200px) (default) Set layout to "Fluid" (width: 100%) Set In it, you'll get: The week's top questions and answers Important community announcements Questions that need answers see an example newsletter By subscribing, you agree to the privacy policy and terms

Entity Framework Save Changes Not Working

In contrast, STE’s generate server-side code with 28 methods, 4 helper classes and over 1200 lines of code. It is EF6 and MVC5 asp.net Please help. –Zia Ul Rehman Mughal Dec 10 '15 at 17:44 add a comment| up vote 1 down vote you can use Create method of How to plot a simple circle in LaTeX How can home electrical outlets be converted into (ethernet) network medium? The good news is that these architectural and technical flaws are avoidable.

  1. Tony Sneed says: June 23, 2016 at 7:59 am Yes, it's active, but I've been waiting for the release of .NET Core at the end of June, so that I can
  2. Some scenarios favor shared classes between client and server, so we're going to try to support that in the future, but my preference is for greater separation, and you get that
  3. For example: Copy var existingBlog = new Blog { BlogId = 1, Name = "ADO.NET Blog" }; using (var context = new BloggingContext()) { context.Blogs.Attach(existingBlog); context.Entry(existingBlog).State = EntityState.Unchanged; // Do some
  4. Before closing out, I’d like to mention that Trackable Entities is not just a set of NuGet packages.
  5. On Tate's "Endomorphisms of Abelian Varieties over Finite Fields", sketch of proof of main result?
  6. What you get is a set of multi-project templates that spin up end-to-end solutions with templates that leverage scaffolding (for ASP.NET Web API), or provide a VS item template (for WCF),
  7. Only setting the parent to modified does nothing for the child.
  8. I suspect that it happened because of changing the EF version to the newer one (6.1), but, then I rolled back, nothing came better.
  9. 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

I favor separate classes on client and server in order to get better separation of concerns. public class My Context : DbContext { public MyContext() { // REMOVE this or use veblok's solution this.Configuration.AutoDetectChangesEnabled = false; } ... } share|improve this answer answered Aug 26 at 8:45 There is a client-side change-tracker which sets entity state as you call methods on a context object (AddObject, UpdateObject, DeleteObject, SetLink), so that updates can be batched when changes are saved. Entity Framework Not Saving Changes Cheers!

Also, can you explain what you mean by "correct order"? Entity Framework Savechanges Not Updating The pay off is that you only need to call ApplyChanges for the magic to happen - that's just one line of code in your Web API action. Should I report it? The client assembly is a Portable Class Library (so it runs on just about any client) and is deployed as a NuGet package.

However, if I use a separate, newly created context for the save, then things do work. Entity Framework Save Changes To Database In the example you gave, you would need to set TrackingState to Added for the hobby, because you are setting it manually. The difference is a) ApplyChanges does this recursively. Bobby says: August 25, 2014 at 3:48 am Now, If I have a regular 1:N, and I try to add a new parent and multiple children, only one child is added,

Entity Framework Savechanges Not Updating

I'm still considering this option, and may update the repository to do so, but I feel like this is a work around, not a fix. At least this time it wasn’t too difficult. Entity Framework Save Changes Not Working Then there’s an AcceptChanges method which recursively sets entities to an Unchanged state before they are returned to the client. Entity Framework Savechanges Does Not Commit Changes One of my goals in the not too distant future is to create a sample app for this scenario.

DbContext.Entry method returns an instance of DBEntityEntry for a specified Entity. this content Didn't know that then after we retrieving the entity it could be freely changed without those additional executions. –Alex Zel Apr 5 at 11:27 add a comment| 1 Answer 1 active But what about the case when the Edit action is called to save changes to an existing Product? All Rights Reserved. Entity Framework .savechanges Not Saving To Database

Now to answer the question. For my current project, including a web-based SPA app, I am using one of the few suggestions Julie called out in her book - passing the original values to the client, I hope this post helps developers get past any aversion they might have to change-tracking from having been burned by STE’s. weblink Search for: CategoriesCategories Select Category Personal(52) Technical(142) Subscribe!

Currently, I am writing a .Net Web API to service a Java-based client, so unfortunately, I cannot make use of your solution at the moment though, I've definitely shelved some ideas Entity Framework Savechanges Example The interesting side-effect of using Trackable Entities as a server-side library to assist with persistence of entities in a disconnected manner is that you can leverage a Visual Studio template that It's not really a big deal, and you can find an example by downloading the samples from the CodePlex site: trackable.codeplex.com.

We will now see the WCF service code.

C++ implementation of Hackerrank's "Maximum Element in a Stack" yes | apt-get install --fix-broken Should I have doubts if the organizers of a workshop ask me to sign a behavior agreement But that's using TE on the client. Client side Code: The following code shows how the client create the new Student, Standard, StudentAddress, Teacher and Course entity and uses the WCF service to save it as a new Db.savechanges() Not Saving Here, we will see how to update a single Student entity (not entity graph).

I’ve deployed it to the Visual Studio Gallery as extensions to both VS 2012 and VS 2013. Updates are not sent to the database for entities in the Unchanged state.Added entities are inserted into the database and then become Unchanged when SaveChanges returns.Modified entities are updated in the Simple! check over here http://stackoverflow.com/questions/25917014/wcf-datacontract-equivalence-confusion/25917110#25917110 Reply Tony Sneed says: September 18, 2014 at 10:36 pm I answered the question on SO.