Solved Solutions to computer programming Errors

Asp.Net Core GRPC Client Error: the type name "Gre

.NET 7
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Asp.Net Core GRPC Client Error: the type name "GreeterClient" does not exist in the type Greeter

.NET 7
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errorCode":"ERR_DIRECT_INVOKE","message":"failed getting app id either from the URL path or the header dapr-app-id

DOCKER-COMPOSE
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HTTP Error 500.19 Internal server error

SERVERS
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HTTP Error 500.19 Internal server error

SERVERS
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Solved: docker-compose build asp.net core 3.0 erro

DOCKER
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Solved: docker-compose build asp.net core 3.0 error rzc discover exited with code 150

DOCKER
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Asp.Net Core 3.1 MVC 5 Error ViewBag does not Exis

.NET 7
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Asp.Net Core 3.1 MVC 5 Error ViewBag does not Exist in the Current Context

.NET 7
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Asp.Net Core 3.1 Razor Error: CS1003: Syntax erro

.NET 7
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Asp.Net Core 3.1 Razor Error: CS1003: Syntax error, ',' expected

.NET 7
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How to Solve XUnit Automated Testing Error: Castle

MVC
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How to Solve XUnit Automated Testing Error: Castle DynamicProxy InvalidProxyConstructorArgumentsException

MVC
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The framework 'Microsoft.AspNetCore.App' version'3

DOCKER
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The framework 'Microsoft.AspNetCore.App' version'3.1.0' was not found

DOCKER
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HTTP Error 500.30 - ASPNET CORE app failed to star

.NET 7
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HTTP Error 500.30 - ASPNET CORE app failed to start

.NET 7
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Could not copy the file to the destination file be

.NET 7
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Could not copy the file to the destination file because the destination is a folder instead of a file. To copy the source file into a folder, consider using the DestinationFolder parameter instead of DestinationFiles

.NET 7
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[HTTP Error 500.30]: Failed to load coreclr.Except

SERVERS
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[HTTP Error 500.30]: Failed to load coreclr.Exception message CLR worker thread exited prematurely

SERVERS
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Asp.Net Core 3.1 Razor View Error: CS1963: An expr

.NET 7
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Asp.Net Core 3.1 Razor View Error: CS1963: An expression tree may not contain a dynamic operation

.NET 7
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InvalidOperationException: <ClassName xmlns='http:

.NET 7
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InvalidOperationException: <ClassName xmlns='http://tempuri.org/'/> was not expected

.NET 7
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Service Unavailable "HTTP Error 503. The Service i

.NET 7
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Service Unavailable "HTTP Error 503. The Service is unavailable"

.NET 7
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Return url is required

.NET 7
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Return url is required

.NET 7
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Web API 415: Unsupported Media Type

TUTORIALS
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Web API 415: Unsupported Media Type

TUTORIALS
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_context.ChangeTracker 'threw an exception of type

.NET 7
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_context.ChangeTracker 'threw an exception of type 'System.ObjectDisposedException'

.NET 7
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ASP.NET 8 Best Practices: Coding, Performance Tips

.NET 7
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ASP.NET 8 Best Practices: Coding, Performance Tips, and Tricks

.NET 7
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How to Scaffold or Generate a Custom Identity Logi

.NET 7
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How to Scaffold or Generate a Custom Identity Login UI in Asp.Net Core 3.1

.NET 7
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Can not connect to SQL server in docker container

DOCKER
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Can not connect to SQL server in docker container from another docker container hosting asp.net core 3.0 application

DOCKER
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Asp.Net Core 3.1 Error The 'inject' directive exp

.NET 7
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Asp.Net Core 3.1 Error The 'inject' directive expects an identifier

.NET 7
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Upgrading to .Net Core 3.1 Error Visual Studio 201

.NET 7
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Upgrading to .Net Core 3.1 Error Visual Studio 2019: dotnet core 3.1 rzc generate exited with code 2147450730

.NET 7
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Asp.Net Core EF Core Error: Cannot access a dispos

ENTITY FRAMEWORK
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Asp.Net Core EF Core Error: Cannot access a disposed object. A common cause of this error is disposing a context that was resolved from dependency injection and then later trying to use the same context instance elsewhere in your application. This may occur if you are calling Dispose() on the context, or wrapping the context in a using statement. If you are using dependency injection, you should let the dependency injection container take care of disposing context instances.

ENTITY FRAMEWORK
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could not load System.ComponentModel.AsyncComplete

.NET 7
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could not load System.ComponentModel.AsyncCompleteEventArgs

.NET 7
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SqlException: A connection was successfully establ

.NET 7
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SqlException: A connection was successfully established with the server, but then an error occurred during the login process. (provider: SSL Provider, error: 0 - The certificate chain was issued by an authority that is not trusted.)

.NET 7
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The instance of entity type 'IdentityUserLogin<str

TECHNOLOGY
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The instance of entity type 'IdentityUserLogin<string>' cannot be tracked because another instance with the same key value for {'LoginProvider', 'ProviderKey'} is already being tracked

TECHNOLOGY
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Publish has encountered an error. Build failed. Ch

.NET 7
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Publish has encountered an error. Build failed. Check the Output window for more details

.NET 7
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[Solved]: Asp.Net Core Error 'byte[]' does not co

.NET 7
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[Solved]: Asp.Net Core Error 'byte[]' does not contain a definition for 'CopyToAsync' and no accessible extension method 'CopyToAsync' accepting a first argument of type 'byte[]' could be found (are you missing a using directive or an assembly reference?)

.NET 7
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[EF Core] How to Enable Sensitive Data Logging and

ENTITY FRAMEWORK
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[EF Core] How to Enable Sensitive Data Logging and Detailed Errors

ENTITY FRAMEWORK
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The type namespace QuickGrid could not be found

.NET 5
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The type namespace QuickGrid could not be found

.NET 5
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Dot Net Core 3.1 Link Tag Helpers not Clickable

.NET 7
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Dot Net Core 3.1 Link Tag Helpers not Clickable

.NET 7
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HTTP Dot Net Core 2.2 Error 500.30 - ANCM In-Proce

.NET 7
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HTTP Dot Net Core 2.2 Error 500.30 - ANCM In-Process Start Failure

.NET 7
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Cannot consume scoped service Microsoft.AspNetCore

.NET 7
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Cannot consume scoped service Microsoft.AspNetCore.Identity.IRoleStore from singleton 'Microsoft.AspNetCore.Identity.RoleManager

.NET 7
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ASP.Net Core 2.2 MVC Error g.cshtml.cs: The type o

HTML5
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ASP.Net Core 2.2 MVC Error g.cshtml.cs: The type or namespace name ErrorViewModel could not be found (are you missing a using directive or an assembly reference). File Error.g.cshtml.cs

HTML5
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Dotnet 8 publishing Self-Contained Application not

Dotnet 8 publishing Self-Contained Application not Working

OTHER
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System.InvalidOperationException: The ConnectionSt

ENTITY FRAMEWORK
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System.InvalidOperationException: The ConnectionString property has not been initialized [EF Core 7, Asp.Net 7]

ENTITY FRAMEWORK
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SqlException: A connection was successfully establ

SQL
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SqlException: A connection was successfully established with the server, but then an error occurred during the login process.

SQL
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How to Call a Soap Web Service from Asp.Net Core

.NET 7
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How to Call a Soap Web Service from Asp.Net Core

.NET 7
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InvalidOperationException: Incorrect Content-Type

MVC
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InvalidOperationException: Incorrect Content-Type

MVC
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Microsoft.AspNetCore.Antiforgery.AntiforgeryValida

.NET 7
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Microsoft.AspNetCore.Antiforgery.AntiforgeryValidationException: The required antiforgery cookie ".AspNetCore.Antiforgery.9TtSrW0hzOs" is not present

.NET 7
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7 Things to Watch Out After Drupal upgrade from 8.

TECHNOLOGY
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7 Things to Watch Out After Drupal upgrade from 8.5.5 to 8.6.15

TECHNOLOGY
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[Solved] Entity Framework Core (EF 6) Error: Unabl

ENTITY FRAMEWORK
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[Solved] Entity Framework Core (EF 6) Error: Unable to track an entity of type 'YourModalName' because primary key property 'id' is null.

ENTITY FRAMEWORK
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How to Sign Out a User when Session Expires in Asp

.NET 7
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How to Sign Out a User when Session Expires in AspNetCore

.NET 7
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Asp.Net Core 3.1 Error: FromSqlRaw or FromSqlInter

SQL
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Asp.Net Core 3.1 Error: FromSqlRaw or FromSqlInterpolated was called with non-composable SQL and with a query composing over it. Consider calling `AsEnumerable` after the FromSqlRaw or FromSqlInterpolated method to perform the composition on the client side

SQL
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MSB1009: Docker File Error when building Asp.Net 5

.NET 7
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MSB1009: Docker File Error when building Asp.Net 5

.NET 7
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Lazy Loading Error Cannot read property 'fn' of un

FRONT-END
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Lazy Loading Error Cannot read property 'fn' of undefined

FRONT-END
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Asp.Net Core 3.1 Dependency Injection Error Unable

.NET 7
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Asp.Net Core 3.1 Dependency Injection Error Unable to resolve service for type 'Microsoft.AspNetCore.Http.HttpContext

.NET 7
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How to choose a Framework when making Web app

COMPUTER PROGRAMMING
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How to choose a Framework when making Web app

COMPUTER PROGRAMMING
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Performance Tuning for ASP.NET Web Applications

.NET 7
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Performance Tuning for ASP.NET Web Applications

.NET 7
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GRPC asp.net core error

Asp.Net Core GRPC Client Error: the type name "Gre

Asp.Net Core GRPC Client Error: the type name "GreeterClient" does not exist in the type Greeter

Asp.Net 5 Development Notes (DotNet Core 3.1 Study

Asp.Net 5 Development Notes (DotNet Core 3.1 Study Notes)

errorCode":"ERR_DIRECT_INVOKE","message":"failed g

errorCode":"ERR_DIRECT_INVOKE","message":"failed getting app id either from the URL path or the header dapr-app-id

HTTP Error 500.19 Internal server error

HTTP Error 500.19 Internal server error

Solved: docker-compose build asp.net core 3.0 erro

Solved: docker-compose build asp.net core 3.0 error rzc discover exited with code 150

Asp.Net Core 3.1 MVC 5 Error ViewBag does not Exis

Asp.Net Core 3.1 MVC 5 Error ViewBag does not Exist in the Current Context

Asp.Net Core 3.1 Razor Error: CS1003: Syntax erro

Asp.Net Core 3.1 Razor Error: CS1003: Syntax error, ',' expected

How to Solve XUnit Automated Testing Error: Castle

How to Solve XUnit Automated Testing Error: Castle DynamicProxy InvalidProxyConstructorArgumentsException

The framework 'Microsoft.AspNetCore.App' version'3

The framework 'Microsoft.AspNetCore.App' version'3.1.0' was not found

HTTP Error 500.30 - ASPNET CORE app failed to star

HTTP Error 500.30 - ASPNET CORE app failed to start

Could not copy the file to the destination file be

Could not copy the file to the destination file because the destination is a folder instead of a file. To copy the source file into a folder, consider using the DestinationFolder parameter instead of DestinationFiles

[HTTP Error 500.30]: Failed to load coreclr.Except

[HTTP Error 500.30]: Failed to load coreclr.Exception message CLR worker thread exited prematurely

Asp.Net Core 3.1 Razor View Error: CS1963: An expr

Asp.Net Core 3.1 Razor View Error: CS1963: An expression tree may not contain a dynamic operation

InvalidOperationException: <ClassName xmlns='http:

InvalidOperationException: <ClassName xmlns='http://tempuri.org/'/> was not expected

Service Unavailable "HTTP Error 503. The Service i

Service Unavailable "HTTP Error 503. The Service is unavailable"

Return url is required

Return url is required

Web API 415: Unsupported Media Type

Web API 415: Unsupported Media Type

_context.ChangeTracker 'threw an exception of type

_context.ChangeTracker 'threw an exception of type 'System.ObjectDisposedException'

ASP.NET 8 Best Practices: Coding, Performance Tips

ASP.NET 8 Best Practices: Coding, Performance Tips, and Tricks

How to Scaffold or Generate a Custom Identity Logi

How to Scaffold or Generate a Custom Identity Login UI in Asp.Net Core 3.1

Can not connect to SQL server in docker container

Can not connect to SQL server in docker container from another docker container hosting asp.net core 3.0 application

Asp.Net Core 3.1 Error The 'inject' directive exp

Asp.Net Core 3.1 Error The 'inject' directive expects an identifier

Upgrading to .Net Core 3.1 Error Visual Studio 201

Upgrading to .Net Core 3.1 Error Visual Studio 2019: dotnet core 3.1 rzc generate exited with code 2147450730

Asp.Net Core EF Core Error: Cannot access a dispos

could not load System.ComponentModel.AsyncComplete

could not load System.ComponentModel.AsyncCompleteEventArgs

SqlException: A connection was successfully establ

SqlException: A connection was successfully established with the server, but then an error occurred during the login process. (provider: SSL Provider, error: 0 - The certificate chain was issued by an authority that is not trusted.)

The instance of entity type 'IdentityUserLogin<str

The instance of entity type 'IdentityUserLogin<string>' cannot be tracked because another instance with the same key value for {'LoginProvider', 'ProviderKey'} is already being tracked

Publish has encountered an error. Build failed. Ch

Publish has encountered an error. Build failed. Check the Output window for more details

[Solved]: Asp.Net Core Error 'byte[]' does not co

[Solved]: Asp.Net Core Error 'byte[]' does not contain a definition for 'CopyToAsync' and no accessible extension method 'CopyToAsync' accepting a first argument of type 'byte[]' could be found (are you missing a using directive or an assembly reference?)

[EF Core] How to Enable Sensitive Data Logging and

[EF Core] How to Enable Sensitive Data Logging and Detailed Errors

The type namespace QuickGrid could not be found

The type namespace QuickGrid could not be found

Dot Net Core 3.1 Link Tag Helpers not Clickable

Dot Net Core 3.1 Link Tag Helpers not Clickable

HTTP Dot Net Core 2.2 Error 500.30 - ANCM In-Proce

HTTP Dot Net Core 2.2 Error 500.30 - ANCM In-Process Start Failure

Cannot consume scoped service Microsoft.AspNetCore

Cannot consume scoped service Microsoft.AspNetCore.Identity.IRoleStore from singleton 'Microsoft.AspNetCore.Identity.RoleManager

ASP.Net Core 2.2 MVC Error g.cshtml.cs: The type o

ASP.Net Core 2.2 MVC Error g.cshtml.cs: The type or namespace name ErrorViewModel could not be found (are you missing a using directive or an assembly reference). File Error.g.cshtml.cs

Dotnet 8 publishing Self-Contained Application not

Dotnet 8 publishing Self-Contained Application not Working

System.InvalidOperationException: The ConnectionSt

System.InvalidOperationException: The ConnectionString property has not been initialized [EF Core 7, Asp.Net 7]

SqlException: A connection was successfully establ

SqlException: A connection was successfully established with the server, but then an error occurred during the login process.

How to Call a Soap Web Service from Asp.Net Core

How to Call a Soap Web Service from Asp.Net Core

InvalidOperationException: Incorrect Content-Type

InvalidOperationException: Incorrect Content-Type