aspnet/Home

The Home repository is the starting point for people to learn about ASP.NET Core.

Alberto Passalacqua

@AlbertoPa

have you tried asking in https://gitter.im/npgsql/npgsql ?

Anthony Nguyen

@anthowen

this is my web deploy setting

nope, not tried asking there

Alberto Passalacqua

@AlbertoPa

probably a minor detail that is hard to spot... as usual :-(

Anthony Nguyen

@anthowen

i see :( ... where should I ask about this?

Alberto Passalacqua

@AlbertoPa

if you have an Azure subscription, I'd bug them ;-)

they seem responsive on Twitter in my limited experience

Anthony Nguyen

@anthowen

okay, got you. thank you

Alberto Passalacqua

@AlbertoPa

the gitter channel I posted above may also help... doesn't hurt to try

SIkebe

@SIkebe

Is there anyone who are using ASP.NET Core Identity with Oracle? It has been 8 months since .NET Core 3.0 released, but ODP.NET for EF Core 3.0 or later has not been released yet. (There isn't even a beta version...)
oracle/dotnet-db-samples#49

Joe4evr

@Joe4evr

tbh, that's an Oracle problem

SIkebe

@SIkebe

Yeah, definitely :confused:

alealpha2000

@alealpha2000

hi! i am looking for some advice. i am writing an app that needs to retry post requests. how do I ensure the server detects a post retry and returns a cached response when a retry is detected? is there any "official" way to do that?

duckblaster

@duckblaster

general method is to add a request id to the original request, retries use the same request id, backend ignores it if it has seen that id before

alealpha2000

@alealpha2000

yup that's exactly what i did. only instead of ignoring it a cached response is sent on a retry

duckblaster

@duckblaster

well, it doesn't do the requested work, so that counts as ignoring in my book :P

Jesper Hansen

@jespersh

If dotnet ef database update outputs More than one DbContext was found, is there a parameter I can set so it tells me what it found?

Michał Zegan

@webczat

yes

Jesper Hansen

@jespersh

oh -v

Finding DbContext classes in the project...
Found DbContext 'ApplicationDbContext'.
Found DbContext 'PersistedGrantDbContext'.
Found DbContext 'ConfigurationDbContext'.

Michał Zegan

@webczat

dotnet ef dbcontext list? not sure how it was exactly, but in any case the general answer is yes, there is a command to list db contexts.

oh, or -v, yes

Jesper Hansen

@jespersh

@webczat yours is better though. Gives the full namespace

Jesper Hansen

@jespersh

Thanks. Still learning these commands. Ended up with running this inside the Blazing.Storage project folder: dotnet ef --startup-project ..\BlazingServer\ database update --context PersistedGrantDbContext. In case anyone would need this knowledge in the future

Sanjeev M

@zeus82

I'm trying to host and SPA along side some razor pages... I want my SPA to be at '/app'. but I can't for the life of me figure out how to do that... this does not work, but its the thing that makes the most sense to me...

app.UseSpa(spa =>
            {
                spa.Options.SourcePath = "ClientApp";
                spa.Options.DefaultPage = "/app/";

                if (env.IsDevelopment())
                {
                    spa.UseReactDevelopmentServer(npmScript: "start");
                }
            });

Panos Athanasiou

@panoukos41

When i call add on my entity i get the message "Argument types do not match" but i know my types is the same with the DbSet and its the same one in my database. This is my code for this class, it has a custom ValueComparer i suspect something must be wrong there is this correct ? and if no how do i do it the correct way ? This happens when i call the add method to add a new object to the database.

        private readonly ValueComparer<ICollection<string>> valueComparer = new ValueComparer<ICollection<string>>(
            equalsExpression: (c1, c2) => c1 != null && c2 != null && c1.SequenceEqual(c2),
            hashCodeExpression: c => c.Aggregate(0, (a, v) => HashCode.Combine(a, v.GetHashCode())),
            snapshotExpression: c => c.ToHashSet());

        public void Configure(EntityTypeBuilder<User> builder)
        {
            builder.Property(x => x.FavoriteStores)
                .HasConversion(
                    to => string.Join(',', to),
                    from => from.Split(',', StringSplitOptions.None))
                .Metadata
                    .SetValueComparer(valueComparer);
        }
    }

Ofc you spend hours searching and then you find the answer right after you ask.... remove the ToHashSet in the snapshotExpression fixed it: https://github.com/dotnet/efcore/issues/17471#issuecomment-579125422

DmitryChekh

@DmitryChekh

Why my JWT token is invalid?
I can't request method which required authorization.
I check on jwt.io and there my token is "Invalid signature"
https://pastebin.com/SUUK7Wgn

L Suarez

@lsuarez5280

Invalid signature only shows up there if you don't input the signature keys. It doesn't mean the token's actually invalid.

Generally diagnostic tools will show any reasons policy failed in the traces.

A tangential question about Visual Studio. Does anyone know if you can roll back to 16.5.x? The latest 16.6.0 is causing failures in our dacpac deploys.

TeBeCo

@tebeco

can invalid signature happen if you use data protection but forgot to mutualize the key store ;)

or you tempered the token ^^

Jesper Hansen

@jespersh

What am I doing wrong here Microsoft.AspNetCore.SignalR.HubException: Failed to invoke 'GetCategory' due to an error on the server.? In my blazor's signalr client:

        public Task<CategoryModel> GetCategory(int id)
        {
            var cancellationTokenSource = new CancellationTokenSource();
            return _hubConnection.InvokeAsync<CategoryModel>("GetCategory", id, cancellationTokenSource.Token);
        }

simplified in my aspnetcore signalr hub/server:

        public async Task<CategoryModel> GetCategory(int id, CancellationToken cancellationToken)
        {
            return new CategoryModel((uint)id); // real version has dbcontext and such
        }

I have working cases with StreamAsync and SendAsync, but InvokeAsync has me scratching my head

Jesper Hansen

@jespersh

It seems to be related to the CancellationToken. If I remove , cancellationTokenSource.Token and , CancellationToken cancellationToken then it gets called. What's the correct use for the token here?

Jesper Hansen

@jespersh

Context.ConnectionAborted inside the hub is the answer?

pm64

@pm64

Did anyone attend Build this year and receive a "Microsoft employee store discound from Microsoft Build" email? I can't tell if this is spam/fraud or not.

The email comes from the domain "microsoft.regsvc.com" and links to a web site under the domain "store.ecompanystore.com"

ghendo

@ghendo

should I be able to use Microsoft.AspNetCore.SignalR.Client in 2.2 version? Seems like I cantbut surely I should be able to?

TeBeCo

@tebeco

This message was deleted

server side or client side ?

yes that would be 1.x for the client side of signalr core i believe

ghendo

@ghendo

a signalr client running on the server to connect to a signalr server

Simon Ziegler

@simonziegler

@simonziegler
I've spent the last two days failing to get this sample to work for Azure B2C authentication and authorization. Seems to be very out of date with the Azure setup, but I can't find anything current. FWIW Azure B2C setup seems to me to have changed in the last 6 months or so. Has anybody managed to get from A to Z with this? Tx
https://github.com/Azure-Samples/active-directory-b2c-dotnet-webapp-and-webapi

TeBeCo

@tebeco

@ghendo sooo the client ?
use 1.x version of the client nuget package

VittenaDev007

@VittenaDev007

I automatic create word document in server side
I use microsoft.introp.word not working on IIS
show this error
at System.RuntimeTypeHandle.CreateInstance(RuntimeType type, Boolean publicOnly, Boolean wrapExceptions, Boolean& canBeCached, RuntimeMethodHandleInternal& ctor, Boolean& hasNoDefaultCtor) at System.RuntimeType.CreateInstanceDefaultCtorSlow(Boolean publicOnly, Boolean wrapExceptions, Boolean fillCache) at System.RuntimeType.CreateInstanceDefaultCtor(Boolean publicOnly, Boolean skipCheckThis, Boolean fillCache, Boolean wrapExceptions) at System.Activator.CreateInstance(Type type, Boolean nonPublic, Boolean wrapExceptions)
please help me

Mike Rissen

@CentriqTraining

@VittenaDev007 Do you have Word installed on the IIS server?

Jesper Hansen

@jespersh

dotnet ef database update doesn't wrap its migration queries in a transaction?

Sanjeev M

@zeus82

app.UseSpa(spa =>
            {
                spa.Options.SourcePath = "ClientApp";
                spa.Options.DefaultPage = "/app/";

                if (env.IsDevelopment())
                {
                    spa.UseReactDevelopmentServer(npmScript: "start");
                }
            });

Mike Rissen

@CentriqTraining

@zeus82 I don't do SPA apps, but don't you need app.Map("/app", spa =>...);?

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