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A default DbContext context must exist, or a context factory must be provided (EntityFrameworkManager.ContextFactory). This setting is required for some additional features about entityframework-extensions HOT 5 CLOSED

zzzprojects avatar zzzprojects commented on May 23, 2024
A default DbContext context must exist, or a context factory must be provided (EntityFrameworkManager.ContextFactory). This setting is required for some additional features

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Comments (5)

JonathanMagnan avatar JonathanMagnan commented on May 23, 2024 2

Hello Joel,

Currently, we do not support PostgreSQL for the EF Core version. We will try to add the support during the weekend since almost everything is already here.

About the error, it's caused because there is no default constructor for your context. For EF Core, we modified a little bit our code and it must require now to be able to create a context.

Example:

static ApplicationDbContextPCore()
{
	var options = new DbContextOptionsBuilder();
	options.UseNpgsql(new SqlConnection(My.Config.ConnectionStrings.TestDatabase));
	EntityFrameworkManager.ContextFactory = context => new ApplicationDbContextPCore(options);
}

We will try to document and improve the error message as well.

More information will be provided as soon as we support it.

Best Regards,

Jonathan

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joelnotified avatar joelnotified commented on May 23, 2024

Alright! Thank you for the answer, looking forward for an updated version then :)

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JonathanMagnan avatar JonathanMagnan commented on May 23, 2024

Hello @joelnotified ,

We finally success to release our stable version which supports PostgreSQL ;)

https://www.nuget.org/packages/Z.EntityFramework.Extensions.EFCore/

Let me know if you found some issue.

Best Regards,

Jonathan

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JonathanMagnan avatar JonathanMagnan commented on May 23, 2024

Closing Comment: Fix released

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lexaguilar avatar lexaguilar commented on May 23, 2024

var auxs = new List<ConciliacionBancariaAux>();

        foreach (var aux in conciliacionViewModel.conciliacionBancariaAux)
        {
            var conciliado= !string.IsNullOrEmpty(aux.Uuid);

            //if(aux.IsNew)
            {
                auxs.Add(new ConciliacionBancariaAux    
                {
                    ProcesoBancoId = procesoBancoId,
                    Fecha = aux.Fecha,
                    Referencia = aux.Referencia,
                    TipoMovimientoId = aux.TipoMovimientoId,
                    Debito = aux.Debito,
                    Credito = aux.Credito,
                    EstadoId = aux.EstadoId,
                    Uuid = aux.Uuid,
                    Conciliado = conciliado,
                    TableInfo = aux.TableInfo,
                    IdOrigen = aux.IdOrigen,
                    IdRef = aux.IdRef, 
                    Arrastrado = !aux.IsNew,
                    IsNew = aux.IsNew,
                    ProcesoBancoIdOld = aux.ProcesoBancoIdOld
                });
            } 
        }

        db.BulkInsert(auxs);

Error : A default DbContext context must exist, or a context factory must be provided 

`<PackageReference Include="Z.EntityFramework.Extensions.EFCore" Version="2.1.47" />`

from entityframework-extensions.

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