Entity Framework Db.SaveChanges() not working?

SaveChanges() in ADO.NET Entity Framework does not function.

It looks like you need to add the following command into you code:...using (NetTanitimTestEntities newadmin = new NetTanitimTestEntities()) { Admins admin = new Admins { Name = "ali", SurName = "Çorlu", Username = "acorlu", Password = "1234", UserType = "user" }; newadmin.AddToAdmins(admin); newadmin.SaveChanges(); } ...or something...

SaveChanges() in Entity Framework not working?

I use entity framework with Visual Studio 2008, sure it was SP1 both .NET Framework and VS itself. My application is develop in n-tier environment. First step I convert data from context to collection and serialize to user....HRMSDBContext context = new HRMSDBContext(); List<InHouseTrainingHead> heads = context.InHouseTrainingHead.ToList<InHouseTr...

SaveChanges() in the C# Entity Framework does not function.

After running this code I find no entrys in my database. I receive no errors from the code....Does anyone know what I mite be doing wrong ?...PeopleEntities1 db = new PeopleEntities1(); Person roger = new Person() { age = 25, firstname = "Roger", lastname = "Rabbit", ...

Does Microsoft Jet DB work with Entity Framework?

In this forum ...here... , someone mentions that Entity Framework does not work with Access (Jet DB - .mdb). However it seems that there is a provider for Jet DB as described ...here...Which makes me think that the only thing I need with Entity Framework is to define the follwing before I define the models:...<connectionStrings> <add name="Pr...

db.savechanges() is not working

I'm following this tutorial ...Creating Master-Details Windows Forms with the Entity Framework... but the ...db.Savechanges()... isn't working if I modified some column or add a new row. According to this video tutorial it will work but it doesn't....Product_Form.cs...using System; using System.Collections.Generic; using System.ComponentModel; usin...

Entity Framework 6.0 Code First Migrations to Azure SQL DB not working.

I am trying to create an ASP.NET MVC site loosely based on this tutorial. ...http://www.windowsazure.com/en-us/develop/net/tutorials/web-site-with-sql-database/...I am using VS2013 preview which gave me the option to create an ASP.NET MVC 5 site. Also, using the following packages:...EntityFramework 6.0.0-rc1...Microsoft.AspNet.Identity.Core" 1.0....

Entity Framework - Error on db.SaveChanges()

I am using the Entity Framework to create a database and write to it from my model and controller. I am getting an error on the line "DB.SaveChanges();". The error states: "An error occurred while updating the entries. See the inner exception for details." Then the inner exceptions states: "Invalid object name 'dbo.ContactModel'." I have looked...

Entity Framework 6 "HasRequired" and "WithMany" partially working - not working as expected

The problem seems to be caused by the new ...initializers for auto-property... feature of C# 6....If you initialize the properties "inline" Entity Framework breaks on one to many relationships....Remove the initializers and the navigation properties should work again....public class Company { public virtual ICollection<BusinessUnit> BusinessUni...

System.OutOfMemoryException Entity Framework 6 for db.SaveChanges

After inserting one batch you should recreate your ...DbContext... to clear the ...ChangeTracker.... This should not only fix your memory issue, but also make things a bit faster. Something like...foreach (var group in groupedList) { using(var db = new MyDbContext()){ db.Events.AddRange(group); db.SaveChanges(); } }

Entity Framework DB updating but DB context not showing updates

Thanks to both Eric J and DevilSuichiro for helping me resolve my issue. The problem was that I should not have been trying to use the same DB context. By retrieving a new DB context instead of trying to reuse the same DB context I was able to verify my test results....Many thanks again.