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248 views

how to reslove Each Request DTO can only be handled by 1 service in service stack

I have two services which wil be having both the service will be having the same DTO. ``` [Route("service1\GetData","Get")] [Route("service2\GetData","Get")] public class GetData { ...

Modified: 13 Feb at 07:6

16 votes

9k views

How to use both Azure AD authentication and Identity on ASP.NET Core 3?

The web application should allow internal employees with AD accounts to authenticate in the app using Azure AD Authentication. External users should be able to register and sign in using ASP.NET Core ...

Modified: 12 Feb at 23:57

37 votes

54.3k views

JsonException: A possible object cycle was detected which is not supported. This can either be due to a cycle or if the object depth is larger than

In my web API when I run project to get data from the database got this error .net core 3.1 > JsonException: A possible object cycle was detected which is not supported. This can either be due to a cy...

Modified: 15 May at 18:9

14 votes

6.2k views

IIS Express vs dotnet run

Actually I understand that is lightweight development server. From the other side runs the application as a console application and binds it to random port. But what is the actual difference? I can...

Modified: 12 Feb at 21:27

21 votes

23.9k views

Could not load file or assembly 'System.Threading.Tasks.Extensions, Version=4.2.0.0

I recently installed CsvHelper ([https://joshclose.github.io/CsvHelper/](https://joshclose.github.io/CsvHelper/)) when i try to use the library I get the following error: > Could not load file or ass...

Modified: 12 Feb at 17:53

11 votes

3k views

Why is StringValues assignable to String

I don't understand why the following compiles: ``` StringValues sv = httpContext.Request.Query["param"]; string s = sv; ``` My knowledge says that `a` is assignable to `b` only if `a` is of type `b...

Modified: 12 Feb at 15:32

43 votes

58.8k views

TimeoutException: The Angular CLI process did not start listening for requests within the timeout period of 0 seconds

I'm getting this error after upgrading to angular 9. I'm using visual studio 2019, ASP .NET core with angular. Even if I create new project and update angular to 9 version, It stops working. Complete...

Modified: 12 Feb at 14:20

12 votes

8.3k views

Blazor TypeError: Cannot read property 'removeChild' of null at Object.e [as removeLogicalChild]

I created a component for a dual list box. Everything is fine but when I submit I get an error. ``` <EditForm Model="Model.Report" class="kt-form" OnValidSubmit="Model.OnSearch"> <div ...

Modified: 25 Jul at 07:22

39 votes

10.2k views

Should I check the dotnet-tools .config directory into source control?

Recently I've noticed a `.config` directory being created by Visual Studio with a `dotnet-tools.json` file in. Should this be `.gitignore`d or checked into source control?

Modified: 11 Feb at 17:14

12 votes

23.8k views

.NET Core 3.1 CreateHostBuilder Cannot parse JSON file

I am experiencing an error when trying to run my ASP.Net Core 3.1 project. The error is at `CreateHostBuilder` within `Program.cs` ``` public class Program { public static void Main(string[]...

Modified: 12 Feb at 01:9

0 votes

8 answers

views

Azure Cosmos DB - check if item not exists without throwing error to Application Insights

I built a simple player-tracking API app in ASP.NET Core 3.1 that uses Azure Cosmos DB as its back end. The API to create a new player entry first checks if an entry with the same ID under a given par...

Modified: 16 May at 18:29

2 votes

255 views

ServiceStack ORMLite: Mutliple Column GroupBy With Table Aliases

I wish to use ORMLite to group by multiple aliased tables but I seem to have hit an issue. When using Sql.TableAlias with an anonymous type in the GroupBy of an SqlExpression the SQL generated for th...

Modified: 11 Feb at 03:42

11 votes

19.7k views

Docker - The framework microsoft.AspNetCore.App, version '3.1'0 was not found on build

I'm attempting to learn about docker and how to containerize a .NET core Web app. I've been following the tutorial below and have made good progress except when I actually run my project. ``` https:/...

Modified: 10 Feb at 21:24

12 votes

2.2k views

Strongly Typed Ids in Entity Framework Core

I'm trying to have a strongly typed `Id` class, which now holds 'long' internally. Implementation below. The problem I'm having the using this in my entities is that gives me a message that the prope...

Modified: 12 Feb at 07:37

13 votes

8.7k views

.net core 3.1: 'IAsyncEnumerable<string>' does not contain a definition for 'GetAwaiter'

I have a .net core 3.1 console app. I have a method with the following signature: ``` public async IAsyncEnumerable<string> GetFilePathsFromRelativePathAsync(string relativePath) ``` If I call it:...

Modified: 22 Dec at 16:56

22 votes

4.6k views

Private methods vs local functions

To my understanding, both local functions and private methods serve merely as implementation details - helpers for public methods. Why would I want to choose one over the other? When using a private ...

Modified: 9 Feb at 14:54

16 votes

14.7k views

Ajax passing empty value but Controller get null in ASP.NET MVC

I'm working with `ASP.NET MVC` and have a problem with the value sent from `Ajax` to my controller. Let's say I have `SampleViewModel` like this: ``` public class SampleViewModel { private strin...

Modified: 15 Feb at 05:6

16 votes

32.4k views

JsonSerializer.Deserialize fails

Consider the code... ``` using System; using System.Text.Json; public class Program { public static void Main() { int id = 9; string str = "{\"id\": " + id + "}"; var...

Modified: 8 Feb at 02:55

1 votes

94 views

How can I POST a file using ServiceStack IRestGateway

I'm currently accessing a 3rd party restAPI using ServiceStacks IRestGateway with my own backing class. It's basically the same as the ServiceStack.Stripe [gateway](https://github.com/ServiceStack/Str...

Modified: 7 Feb at 16:21

1 votes

125 views

How AutoQuery Parameters work when supplied

I've been reviewing servicestack and the documentation. In regards to autoquery documentation the pre-autoquery and post auto query design is shown below. Where the DTO does not include the paramete...

Modified: 7 Feb at 16:18

1 votes

403 views

Is there a thing like HTTPContextEnricher thats works with Servicestack and Serilog

I'm using Servicestack (.Core) and it's connection to Serilog. Is there a way to automatically enrich all Log-Entries with things like SessionId, UserId, etc.. The serilog-enrichers will not work due ...

Modified: 7 Feb at 15:36

13 votes

25.4k views

How to seed in Entity Framework Core 3.0?

I am trying seed the database with some data, using ASP.NET CORE 3.0 and EF Core. I've created my DbContext and according to [documentation](https://learn.microsoft.com/en-us/ef/core/modeling/data-se...

Modified: 10 Feb at 18:49

2 votes

115 views

Where contains throw Value can't be null

I'm stuck and don't know why this issue occurs. Normally we do like this: ``` var q = await OrmDb.SelectAsync<OrmProductSerial>(p => p.SerialNumber.Contains(reqSearch) ); ``` In this case I need ...

Modified: 7 Feb at 14:46

2 votes