Why I can't catch SqlException on SaveChanges() method of Entity Framework

Changes to a new entity with a two-level connection are not saved by Entity Framework.

I apologize for being so late, but I just had a similar issue and spent about three hours trying to solve it. I would provide the code, but I can do it later if someone wants it as it is at home....Here are a few things to look for:...Placing a breakpoint on the SaveChanges() method will allow you to carefully inspect the object context. You ought ...

Why is my Entity Framework Code First proxy collection null, and I can't seem to get it to work?

Removing the "virtual" term from the collection properties solves the issue by preventing the Entity Framework from constructing a change tracking proxy, as you properly noted in the response to your own question. However, because change tracking proxies may be highly useful and can help avoid problems when you neglect to detect changes at the prop...

I can't find "Include" method with lambda expression in Entity framework?

Update. For individuals who are interested in how to expand your Linq query. Include()...No longer the case:...using System.Data.Entity; ...Using netcoreapp1.0, you can:...using Microsoft.EntityFrameworkCore;

Entity Framework 4.0: How to see SQL statements for SaveChanges method

Generally speaking, you may connect the integrated tracer or any logger via simple...context.Database.Log = msg => Trace.WriteLine(msg); ...in the constructor of the DbContext. Continue reading in ...MSDN.... Other MS strategies include ...here... (all based on ...DataContext.Log... property)....Regarding the ...Clutch... solution Nate stated, it i...

Can't SaveChanges with Entity Framework in ASP.Net MVC 3 project

You ought to...Attach... the ...Product... incidences in the earlier context...SaveChanges...public void SaveProduct(Product product) { if (product.ProductID == 0) context.Products.Add(product); else { context.Products.Attach(product); context.Entry(product).State = EntityState.Modified; } context.Sa...

why i can't save the current DateTime.Now using Entity Framework

Most likely, the issue is with the.various NET's precisions....DateTime... the type and the type of the columns you are utilizing in SQL Server - most likely...datetime... ....The database's INSERT statement is submitted with...SaveChanges... resembles this:...exec sp_executesql N'insert [dbo].[Groups]([GroupDate], [GroupName]) values (@0, @1) sele...

Get the Entity Name when calling SaveChanges in Entity Framework 6.1.3

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Why is Entity Framework so slow to add multiple items in one SaveChanges()?

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Stuck trying to make a helper method to Save DB changes with catching

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Why stored procedure out parameter is not getting read by entity framework's ExecuteSqlCommand method?

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