Solved Solutions to computer programming Errors

[Entity Framework Core 5] An Unhandled Exception Occurred While Processing the Request

ENTITY FRAMEWORK
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_context.SaveChanges is not working

ENTITY FRAMEWORK
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_context.SaveChanges is not working

ENTITY FRAMEWORK
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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)

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

.NET 7
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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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Error The instance of entity type ModalType cannot

.NET 7
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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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Performance Tuning in Entity Framework Core 5 and

.NET 7
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Performance Tuning in Entity Framework Core 5 and AspNet 5

.NET 7
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Unable to start Kestrel. Internal.Cryptograp

QUESTIONS
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Unable to start Kestrel. Internal.Cryptography.CryptoThrowHelper+WindowsCryptographicException: Cannot find the requested object. at Internal.Cryptography.Pal.CertificatePal.FromBlobOrFile(ReadOnlySpan`1 rawData, String fileName, SafePasswordHandle password, X509KeyStorageFlags keyStorageFlags)

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What is New in .Net 5

.NET 7
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What is New in .Net 5

.NET 7
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Asp.Net 5 Application is losing state when enters

.NET 7
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Asp.Net 5 Application is losing state when enters an Event Handler C-Sharp

.NET 7
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What is New in C-Sharp 9 Programming Language

.NET 7
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What is New in C-Sharp 9 Programming Language

.NET 7
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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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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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HTTP Error 500.19 Internal server error

SERVERS
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HTTP Error 500.19 Internal server error

SERVERS
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Why is AspNet 6 Application always running in Prod

.NET 7
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Why is AspNet 6 Application always running in Production Mode

.NET 7
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InvalidOperationException: Unable to resolve servi

.NET 7
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InvalidOperationException: Unable to resolve service for type 'System.IFormatProvider' while attempting to activate 'RepositoryService'.

.NET 7
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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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Front-End Bootstrap Development Notes Tips and Tri

.NET 7
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Front-End Bootstrap Development Notes Tips and Tricks in MVC Asp.Net Core 7

.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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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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'Windows-1252' is not a supported encoding name. F

QUESTIONS
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'Windows-1252' is not a supported encoding name. For information on defining a custom encoding see the documentation for the Encoding.RegisterProvider method

QUESTIONS
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Software Development Good Practices

.NET 7
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Software Development Good Practices

.NET 7
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yaml.parser.ParserError: while parsing a block map

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yaml.parser.ParserError: while parsing a block mapping

DOCKER-COMPOSE
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Redis Docker Container Error ArgumentException: No

DOCKER
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Redis Docker Container Error ArgumentException: No endpoints specified (Parameter 'configuration')

DOCKER
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System.InvalidOperationException: 'FromSqlRaw' or

.NET 7
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System.InvalidOperationException: 'FromSqlRaw' or 'FromSqlInterpolated' was called with non-composable SQL and with a query composing over it. Consider calling 'AsEnumerable' after the method to perform the composition on the client side.

.NET 7
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[Solved] Asp.Net 5 Error: error RZ2008: Attribute

.NET 7
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[Solved] Asp.Net 5 Error: error RZ2008: Attribute 'asp-for' on tag helper element 'label' requires a value

.NET 7
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Docker Container Micro-Service Error: Can not Conn

DOCKER
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Docker Container Micro-Service Error: Can not Connect to SQL Server in Docker Container from Microsoft Sql Server Management

DOCKER
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CS0103 C# The name 'Json' does not exist in the cu

.NET 7
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CS0103 C# The name 'Json' does not exist in the current context

.NET 7
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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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[Solved] Asp.Net Core 3.1 config.GetSection return

.NET 7
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[Solved] Asp.Net Core 3.1 config.GetSection returns null. AppSettings.json null values.

.NET 7
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.NET Developer Needed in OH

JOBS
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.NET Developer Needed in OH

JOBS
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Chapter 5: Self-Care and Coping Strategies

LIPEDEMA
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Chapter 5: Self-Care and Coping Strategies

LIPEDEMA
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BadImageFormatException: An attempt was made to lo

.NET 7
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BadImageFormatException: An attempt was made to load a program with an incorrect format. (0x8007000B)

.NET 7
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The Compose file './docker-compose.yml' is invali

DOCKER
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The Compose file './docker-compose.yml' is invalid because

DOCKER
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InvalidOperationException: An error was generated

.NET 7
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InvalidOperationException: An error was generated for warning 'Microsoft.EntityFrameworkCore.Query.InvalidIncludePathError': Unable to find navigation 'EntityName' specified in string based include path 'AnotherEntity Name'.

.NET 7
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How to Integrate Google Search Console API in Asp.

How to Integrate Google Search Console API in Asp.Net Core using C#

OTHER
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running dotnet in docker exec /usr/bin/dotnet: no

.NET 5
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running dotnet in docker exec /usr/bin/dotnet: no such file or directory

.NET 5
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How to use ContinueWith in an Async Function to Ma

.NET 5
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How to use ContinueWith in an Async Function to Make Sure Thread Executes One after the Other

.NET 5
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The name 'Category' does not exist in the current

.NET 5
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The name 'Category' does not exist in the current context

.NET 5
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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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Web API 415: Unsupported Media Type

TUTORIALS
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Web API 415: Unsupported Media Type

TUTORIALS
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How to Debug Asp.Net Core 3.1 in IIS Development E

.NET 7
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How to Debug Asp.Net Core 3.1 in IIS Development Environment Variable

.NET 7
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How to change Application Start URL for Asp.Net Co

RESEARCH
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How to change Application Start URL for Asp.Net Core Application in Visual Studio

RESEARCH
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Why is HttpContext Header Empty when trying to ret

.NET 7
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Why is HttpContext Header Empty when trying to retrieve Header Information in MVC

.NET 7
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How to Bind a CheckBox data to a Model Integer Pro

DATABASES
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How to Bind a CheckBox data to a Model Integer Property in DotNet Core 2.2

DATABASES
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How to optimize sql query in Microsoft SQL Server

SQL
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How to optimize sql query in Microsoft SQL Server

SQL
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Bootstrap 4 and Boostrap 5 Cards of same height in

BOOTSTRAP
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Bootstrap 4 and Boostrap 5 Cards of same height in columns

BOOTSTRAP
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Microsoft.WebTools.Shared.Exceptions.WebToolsExcep

RESEARCH
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Microsoft.WebTools.Shared.Exceptions.WebToolsException: Build failed. Check the Output window for more details

RESEARCH
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The configured execution strategy 'SlqServerRetryi

.NET 7
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The configured execution strategy 'SlqServerRetryingExecutionStrategy' does not support user-initiated transactions. Use the execution strategy returned by DbContext.Database.CreateExecutionStrategy()' to execute

.NET 7
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Asp.net 5

What is New in Entity Framework 5 Shipped in Asp.N

What is New in Entity Framework 5 Shipped in Asp.Net 5

MSB1009: Docker File Error when building Asp.Net 5

MSB1009: Docker File Error when building Asp.Net 5

[Entity Framework Core 5] An Unhandled Exception O

[Entity Framework Core 5] An Unhandled Exception Occurred While Processing the Request

_context.SaveChanges is not working

_context.SaveChanges is not working

Asp.Net 5 Development Notes (DotNet Core 3.1 Study

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

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

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.

Performance Tuning in Entity Framework Core 5 and

Performance Tuning in Entity Framework Core 5 and AspNet 5

Unable to start Kestrel. Internal.Cryptograp

Unable to start Kestrel. Internal.Cryptography.CryptoThrowHelper+WindowsCryptographicException: Cannot find the requested object. at Internal.Cryptography.Pal.CertificatePal.FromBlobOrFile(ReadOnlySpan`1 rawData, String fileName, SafePasswordHandle password, X509KeyStorageFlags keyStorageFlags)

What is New in .Net 5

What is New in .Net 5

Asp.Net 5 Application is losing state when enters

Asp.Net 5 Application is losing state when enters an Event Handler C-Sharp

What is New in C-Sharp 9 Programming Language

What is New in C-Sharp 9 Programming Language

HTTP Error 500.30 - ASPNET CORE app failed to star

HTTP Error 500.30 - ASPNET CORE app failed to start

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

HTTP Error 500.19 Internal server error

HTTP Error 500.19 Internal server error

Why is AspNet 6 Application always running in Prod

Why is AspNet 6 Application always running in Production Mode

InvalidOperationException: Unable to resolve servi

InvalidOperationException: Unable to resolve service for type 'System.IFormatProvider' while attempting to activate 'RepositoryService'.

_context.ChangeTracker 'threw an exception of type

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

Front-End Bootstrap Development Notes Tips and Tri

Front-End Bootstrap Development Notes Tips and Tricks in MVC Asp.Net Core 7

Service Unavailable "HTTP Error 503. The Service i

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

InvalidOperationException: <ClassName xmlns='http:

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

'Windows-1252' is not a supported encoding name. F

'Windows-1252' is not a supported encoding name. For information on defining a custom encoding see the documentation for the Encoding.RegisterProvider method

Software Development Good Practices

Software Development Good Practices

yaml.parser.ParserError: while parsing a block map

yaml.parser.ParserError: while parsing a block mapping

Redis Docker Container Error ArgumentException: No

Redis Docker Container Error ArgumentException: No endpoints specified (Parameter 'configuration')

System.InvalidOperationException: 'FromSqlRaw' or

System.InvalidOperationException: 'FromSqlRaw' or 'FromSqlInterpolated' was called with non-composable SQL and with a query composing over it. Consider calling 'AsEnumerable' after the method to perform the composition on the client side.

[Solved] Asp.Net 5 Error: error RZ2008: Attribute

[Solved] Asp.Net 5 Error: error RZ2008: Attribute 'asp-for' on tag helper element 'label' requires a value

Docker Container Micro-Service Error: Can not Conn

Docker Container Micro-Service Error: Can not Connect to SQL Server in Docker Container from Microsoft Sql Server Management

CS0103 C# The name 'Json' does not exist in the cu

CS0103 C# The name 'Json' does not exist in the current context

Microsoft.AspNetCore.Antiforgery.AntiforgeryValida

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

[Solved] Asp.Net Core 3.1 config.GetSection return

[Solved] Asp.Net Core 3.1 config.GetSection returns null. AppSettings.json null values.

.NET Developer Needed in OH

.NET Developer Needed in OH

Chapter 5: Self-Care and Coping Strategies

Chapter 5: Self-Care and Coping Strategies

BadImageFormatException: An attempt was made to lo

BadImageFormatException: An attempt was made to load a program with an incorrect format. (0x8007000B)

The Compose file './docker-compose.yml' is invali

The Compose file './docker-compose.yml' is invalid because

InvalidOperationException: An error was generated

InvalidOperationException: An error was generated for warning 'Microsoft.EntityFrameworkCore.Query.InvalidIncludePathError': Unable to find navigation 'EntityName' specified in string based include path 'AnotherEntity Name'.

How to Integrate Google Search Console API in Asp.

How to Integrate Google Search Console API in Asp.Net Core using C#

running dotnet in docker exec /usr/bin/dotnet: no

running dotnet in docker exec /usr/bin/dotnet: no such file or directory

How to use ContinueWith in an Async Function to Ma

How to use ContinueWith in an Async Function to Make Sure Thread Executes One after the Other

The name 'Category' does not exist in the current