Solved Solutions to computer programming Errors

ObjectDisposedException: Cannot access a disposed

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ObjectDisposedException: Cannot access a disposed context instance. A common cause of this error is disposing a context instance that was resolved from dependency injection and then later trying to use the same context instance elsewhere in your application

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InvalidOperationException: A view component named

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InvalidOperationException: A view component named 'NameHere' could not be found. A view component must be a public non-abstract class, not contain any generic parameters, and either be decorated with 'ViewComponentAttribute' or have a class name ending with the 'ViewComponent' suffix. A view component must not be decorated with 'NonViewComponentAttribute'

.NET 7
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An unhandled exception occurred while processing t

.NET 7
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An unhandled exception occurred while processing the request "The view 'ViewName' was not found. The following locations were searched"

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How to Use DisplayFor to Display Text from EF Core Data Annotation in MVC and Components

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An unhandled exception occurred while processing t

.NET 7
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An unhandled exception occurred while processing the request: FormatException: The header contains invalid values at index 0

.NET 7
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Best way to create a Form in MVC (aspnet 6)

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Best way to create a Form in MVC (aspnet 6)

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[AspNet 6] Using Generic Types in an Interface MVC

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[AspNet 6] Using Generic Types in an Interface MVC C-Sharp

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System.InvalidOperationException: The view 'Index'

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System.InvalidOperationException: The view 'Index' was not found. The following locations were searched

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

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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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Error The instance of entity type ModalType cannot

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Error The instance of entity type ModalType cannot be tracked because another instance with the key value {id: 7656544} is already being tracked.

.NET 7
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NotSupportedException: Path was not rooted

.NET 7
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NotSupportedException: Path was not rooted

.NET 7
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The 'Microsoft.AspNetCore.Mvc.ViewFeature.Infrastr

.NET 7
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The 'Microsoft.AspNetCore.Mvc.ViewFeature.Infrastructure.DefaultTempDataSerializer' cannot serialize an object of type 'System.Decimal'

.NET 7
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What is Async Await in AspNet 6 (C-Sharp)

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What is Async Await in AspNet 6 (C-Sharp)

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Docker Container AspNet Runtime DateTime is Wrong

DOCKER
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Docker Container AspNet Runtime DateTime is Wrong

DOCKER
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SignalR Error in Dot Net Core 3.1 (.Net Core 3.1)

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SignalR Error in Dot Net Core 3.1 (.Net Core 3.1) : "Failed to invoke 'SendMessage' due to an error on the server".

.NET 7
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SQL 0x80004005 Description: "Cannot continue the

SQL
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SQL 0x80004005 Description: "Cannot continue the execution because the session is in the kill state"

SQL
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How to Sign Out a User when Session Expires in Asp

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How to Sign Out a User when Session Expires in AspNetCore

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Error 0xc0202009: Data Flow Task 1: SSIS Error Cod

SERVERS
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Error 0xc0202009: Data Flow Task 1: SSIS Error Code DTS_E_OLEDBERROR. An OLE DB error has occurred. Error code: 0x80004005

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MVC Asp Net 6 System Design

SYSTEM DESIGN
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MVC Asp Net 6 System Design

SYSTEM DESIGN
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How to upgrade Asp.Net 5 Application to Asp.Net 6

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How to upgrade Asp.Net 5 Application to Asp.Net 6 Nuget Packages not upgrading

.NET 7
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How to update SelectListItem based on Filtered Cat

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How to update SelectListItem based on Filtered Category from another DropDown menu in MVC AspNet 6 Razor Syntax

.NET 7
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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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RuntimeBinderException: The best overloaded method

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RuntimeBinderException: The best overloaded method match for 'string.Replace(char, char)' has some invalid arguments

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'IHtmlHelper dynamic' has no applicable method nam

.NET 7
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'IHtmlHelper dynamic' has no applicable method named 'PartialAsync'

.NET 7
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found multiple publish output files with the same

.NET 7
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found multiple publish output files with the same relative path "Conflict resolution target" Publishing AspNet 6 in Visual Studio 2022

.NET 7
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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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Unable to reattach to the process Visual Studio 20

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Unable to reattach to the process Visual Studio 2022

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Why is AspNet 6 System DateTime showing Chinese Ch

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Why is AspNet 6 System DateTime showing Chinese Characters

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Should I use Configurer Await False in AspNet 6

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Should I use Configurer Await False in AspNet 6

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AspNet MVC ViewData Error: InvalidOperationExcepti

QUESTIONS
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AspNet MVC ViewData Error: InvalidOperationException: There is no ViewData item of type 'IEnumerable<SelectListItem>' that has key 'Type'

QUESTIONS
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Why is AspNet 6 Application always running in Prod

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Why is AspNet 6 Application always running in Production Mode

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The INSERT statement conflicted with the FOREIGN K

SQL
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The INSERT statement conflicted with the FOREIGN KEY constraint "FK_tableName_key". The conflict occurred in database "Database Name", table "dbo.tableName", column 'id'

SQL
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Docker on Windows Error "A fatal error was encount

DOCKER
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Docker on Windows Error "A fatal error was encountered. The library 'libhostpolicy.so' required to execute the application was not found"

DOCKER
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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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InvalidOperationException: The 'Microsoft.AspNetCo

QUESTIONS
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InvalidOperationException: The 'Microsoft.AspNetCore.Mvc.ViewFeatures.Infrastructure.DefaultTempDataSerializer' cannot serialize an object of type 'System.Collections.Generic.List`1

QUESTIONS
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RuntimeBinderException: Cannot implicitly convert

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RuntimeBinderException: Cannot implicitly convert type

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docker-compose 404 page not found AspNet running i

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docker-compose 404 page not found AspNet running inside Docker Container

DOCKER
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Rounding Down to the Nearest Decimal Point in C-Sh

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Rounding Down to the Nearest Decimal Point in C-Sharp (AspNet 6)

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The Best Way to Create an Interface in AspNet 6 (C

.NET 7
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The Best Way to Create an Interface in AspNet 6 (C-Sharp)

.NET 7
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Linux service returns (code=exited, status=2)

LINUX
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Linux service returns (code=exited, status=2)

LINUX
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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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Why is dotnet watch run not showing changes in the

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Why is dotnet watch run not showing changes in the View or Razor Pages

.NET 7
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Could not execute because the application was not

.NET 7
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Could not execute because the application was not found or a compatible .Net SDK is not installed

.NET 7
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MVC Form Error "Incorrect Content-Type"

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MVC Form Error "Incorrect Content-Type"

HTML5
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Cannot create a DbSet for "MyModal" because this t

.NET 7
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Cannot create a DbSet for "MyModal" because this type is not included in the model for the context. However the model contains an entity type with the same name in a different namespace

.NET 7
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NotSupportedException: Path 'wwwroot myfolder file

.NET 7
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NotSupportedException: Path 'wwwroot myfolder filename.txt' was not rooted

.NET 7
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WPF Error: System.InvalidOperationException 'The c

QUESTIONS
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WPF Error: System.InvalidOperationException 'The calling thread cannot access this object because a different thread owns it.'

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

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

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AspNet 6 MVC Component Cannot be found

ObjectDisposedException: Cannot access a disposed

ObjectDisposedException: Cannot access a disposed context instance. A common cause of this error is disposing a context instance that was resolved from dependency injection and then later trying to use the same context instance elsewhere in your application

InvalidOperationException: A view component named

An unhandled exception occurred while processing t

An unhandled exception occurred while processing the request "The view 'ViewName' was not found. The following locations were searched"

How to Add Cookies to the Http Response in AspNet

How to Add Cookies to the Http Response in AspNet 6 MVC

Mvc authorization attribute not working AspNet 6

Mvc authorization attribute not working AspNet 6

How to Use DisplayFor to Display Text from EF Core

How to Use DisplayFor to Display Text from EF Core Data Annotation in MVC and Components

An unhandled exception occurred while processing t

An unhandled exception occurred while processing the request: FormatException: The header contains invalid values at index 0

Best way to create a Form in MVC (aspnet 6)

Best way to create a Form in MVC (aspnet 6)

[AspNet 6] Using Generic Types in an Interface MVC

[AspNet 6] Using Generic Types in an Interface MVC C-Sharp

System.InvalidOperationException: The view 'Index'

System.InvalidOperationException: The view 'Index' was not found. The following locations were searched

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

Error The instance of entity type ModalType cannot

Error The instance of entity type ModalType cannot be tracked because another instance with the key value {id: 7656544} is already being tracked.

NotSupportedException: Path was not rooted

NotSupportedException: Path was not rooted

The 'Microsoft.AspNetCore.Mvc.ViewFeature.Infrastr

The 'Microsoft.AspNetCore.Mvc.ViewFeature.Infrastructure.DefaultTempDataSerializer' cannot serialize an object of type 'System.Decimal'

What is Async Await in AspNet 6 (C-Sharp)

What is Async Await in AspNet 6 (C-Sharp)

Docker Container AspNet Runtime DateTime is Wrong

Docker Container AspNet Runtime DateTime is Wrong

SignalR Error in Dot Net Core 3.1 (.Net Core 3.1)

SignalR Error in Dot Net Core 3.1 (.Net Core 3.1) : "Failed to invoke 'SendMessage' due to an error on the server".

SQL 0x80004005 Description: "Cannot continue the

SQL 0x80004005 Description: "Cannot continue the execution because the session is in the kill state"

How to Sign Out a User when Session Expires in Asp

How to Sign Out a User when Session Expires in AspNetCore

Error 0xc0202009: Data Flow Task 1: SSIS Error Cod

Error 0xc0202009: Data Flow Task 1: SSIS Error Code DTS_E_OLEDBERROR. An OLE DB error has occurred. Error code: 0x80004005

MVC Asp Net 6 System Design

MVC Asp Net 6 System Design

How to upgrade Asp.Net 5 Application to Asp.Net 6

How to upgrade Asp.Net 5 Application to Asp.Net 6 Nuget Packages not upgrading

How to update SelectListItem based on Filtered Cat

How to update SelectListItem based on Filtered Category from another DropDown menu in MVC AspNet 6 Razor Syntax

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

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

RuntimeBinderException: The best overloaded method

RuntimeBinderException: The best overloaded method match for 'string.Replace(char, char)' has some invalid arguments

'IHtmlHelper dynamic' has no applicable method nam

'IHtmlHelper dynamic' has no applicable method named 'PartialAsync'

found multiple publish output files with the same

found multiple publish output files with the same relative path "Conflict resolution target" Publishing AspNet 6 in Visual Studio 2022

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

Unable to reattach to the process Visual Studio 20

Unable to reattach to the process Visual Studio 2022

Why is AspNet 6 System DateTime showing Chinese Ch

Why is AspNet 6 System DateTime showing Chinese Characters

Should I use Configurer Await False in AspNet 6

Should I use Configurer Await False in AspNet 6

AspNet MVC ViewData Error: InvalidOperationExcepti

AspNet MVC ViewData Error: InvalidOperationException: There is no ViewData item of type 'IEnumerable<SelectListItem>' that has key 'Type'

Why is AspNet 6 Application always running in Prod

Why is AspNet 6 Application always running in Production Mode

The INSERT statement conflicted with the FOREIGN K

The INSERT statement conflicted with the FOREIGN KEY constraint "FK_tableName_key". The conflict occurred in database "Database Name", table "dbo.tableName", column 'id'

Docker on Windows Error "A fatal error was encount

Docker on Windows Error "A fatal error was encountered. The library 'libhostpolicy.so' required to execute the application was not found"

The type namespace QuickGrid could not be found

The type namespace QuickGrid could not be found

InvalidOperationException: The 'Microsoft.AspNetCo

InvalidOperationException: The 'Microsoft.AspNetCore.Mvc.ViewFeatures.Infrastructure.DefaultTempDataSerializer' cannot serialize an object of type 'System.Collections.Generic.List`1

RuntimeBinderException: Cannot implicitly convert

RuntimeBinderException: Cannot implicitly convert type

docker-compose 404 page not found AspNet running i

docker-compose 404 page not found AspNet running inside Docker Container

Rounding Down to the Nearest Decimal Point in C-Sh

Rounding Down to the Nearest Decimal Point in C-Sharp (AspNet 6)