entity-framework-6

Good day to all, I have been trying to solve this problem for a long time, I do not understand what the problem is. I use ORM ... = 8, FK_User = user }; context.WorkerCards.Add(card1); context.SaveChanges(); } } }

I'm trying to run my database creation, but I'm getting this error below and I'm not understanding the reason: The type ... )); modelBuilder.Configurations.Add(new EnderecoConfiguration()); base.OnModelCreating(modelBuilder); }

Keeps giving the comment error null in this line: ViewBag.PostId = new SelectList(db.Posts, "PostId", "Titulo", comentari ... .. }. Then when it goes to the line of ViewBag it gives the error. I noticed that model Comentario is not being instantiated.

I have three simple classes of city, state and country. I realized that simply declaring a property of type Estado in class C ... I did not realize if there is a difference from the state to the city and vice versa. I don't know if I'm doing things right.

I'm trying to create a login control for my application but I'm not finding a way to do this. I would like it to be a complet ... one give me a tip how to do this? I know Visual Studio has the tools but I've never messed with it and would like to learn.

I've been doing a data import for a project in ASP.NET MVC 5 with EF 6.1 and SQL Server 2008 where the import data source w ... d; } else { profissao_id = profissaoTemp.Id; } } return profissao_id; }

I am trying to return a list of the objects generated by Entity Framework DataBase first but I get this error: The entit ... ength(100)] public string nome { get; set; } public virtual ICollection<TB_LEMBRETES> TB_LEMBRETES { get; set; } }

I'm making a relationship where the same is N: N... Example: Project X Official In this relationship I create an ass ... project id, idFunc , hourly load) Note: the employee cannot work on the same project more than once, only a single time.

Work on a bill issuance project, in this project there is the entity Emissor. my database Sql-Server can have multiple is ... nce I can't keep a sequence separated by emitter. I Use Entity Framework 6 . Would anyone have any idea how to solve this?

Let's say I want to model an application in .NET using EntityFramework as ORM and use one of its advantages, be "generic" for ... or rather, what are the best practices to be adopted in this scenario? How to deal with references / dependencies of dlls ?

When I install the mysql connector in version 6.9.11, I can see the driver for the ADO.Net until then, it's fine. But whe ... 11 Visual Studio 2017 = > 15.5.4 Obs. I have already tried using Mysql for Visual Studio 1.2.7 and also get no results.

I'm starting on ASP.NET MVC, following tutorials and handouts on the internet I created a study project and I am having some ... the entity-framework. I even tried to create a Migration and give update-Database, but it did not have an effect on the bank.

I'm starting my study in EF, following this tutorial , I made up to 22 min of the video, hence when I will run bursts this er ... <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.6.1" /> </startup> </configuration>

My scenario: public class AlunoAvaliacao { public int AlunoAvaliacaoID { get; set; } public DateTime I ... erence of type 'Application.Color.Domain.Evaluate the question. I've tried modelBuilder... And nothing. Why this mistake?

I have the following classes public class ControleDeVisitas { public virtual ICollection<TipoDeSistemas> TipoDeSi ... ControleDeVisitas"); HasKey(c => c.ControleDeVisitasId); HasMany(c => c.TipoDeSistemas); }

I have a method to search the client in the database by the number of the CPF (no points, only the numbers), but in the datab ... err =>{ console.log(err); this.router.navigate(['', 'acesso-negado']); } ) } }

I'm doing a left Join where I want to take only what has in the left table and does not have in the right one. I'm using LI ... and Entity. I wanted a method that would necessarily do the opposite of equals. Note: the operator != did not work Vlww

Taking as an example: We can abstract the relationship in several ways, one of them would be putting n p/ N relationship ... rojectEmployee' with table 'EMP_SKILL_PROJ' was already defined. Each EntitySet must refer to a unique schema and table.