Solved Solutions to computer programming Errors - ErnesTech

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

Entity Framework

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Entity Fra...

_context.SaveChanges is not working

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_context.SaveChanges is not working

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

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

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

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

Error The instance of entity type ModalType cannot be tracke...

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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.

Performance Tuning in Entity Framework Core 5 and AspNet 5

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Performance Tuning in Entity Framework Core 5 and AspNet 5

Unable to start Kestrel. Internal.Cryptography.CryptoT...

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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)

What is New in .Net 5

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What is New in .Net 5

Asp.Net 5 Application is losing state when enters an Event H...

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

What is New in C-Sharp 9 Programming Language

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What is New in C-Sharp 9 Programming Language

HTTP Error 500.30 - ASPNET CORE app failed to start

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HTTP Error 500.30 - ASPNET CORE app failed to start

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

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

HTTP Error 500.19 Internal server error

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HTTP Error 500.19 Internal server error

Why is AspNet 6 Application always running in Production Mod...

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Why is AspNet 6 Application always running in Production Mode

InvalidOperationException: Unable to resolve service for typ...

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

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

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

Front-End Bootstrap Development Notes Tips and Tricks in MVC...

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

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

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

InvalidOperationException: <ClassName xmlns='http://tempuri....

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

'Windows-1252' is not a supported encoding name. For informa...

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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

Software Development Good Practices

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Software Development Good Practices

yaml.parser.ParserError: while parsing a block mapping

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yaml.parser.ParserError: while parsing a block mapping

Redis Docker Container Error ArgumentException: No endpoints...

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

System.InvalidOperationException: 'FromSqlRaw' or 'FromSqlIn...

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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.

[Solved] Asp.Net 5 Error: error RZ2008: Attribute 'asp-for' ...

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[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 Connect to SQL...

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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 current cont...

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

Microsoft.AspNetCore.Antiforgery.AntiforgeryValidationExcept...

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

[Solved] Asp.Net Core 3.1 config.GetSection returns null. Ap...

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

.NET Developer Needed in OH

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.NET Developer Needed in OH

Chapter 5: Self-Care and Coping Strategies

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Chapter 5: Self-Care and Coping Strategies

BadImageFormatException: An attempt was made to load a progr...

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

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

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

InvalidOperationException: An error was generated for warnin...

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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'.

How to Integrate Google Search Console API in Asp.Net Core u...

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

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

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

How to use ContinueWith in an Async Function to Make Sure Th...

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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 context

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The name 'Category' does not exist in the current context

The type namespace QuickGrid could not be found

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The type namespace QuickGrid could not be found

Web API 415: Unsupported Media Type

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Web API 415: Unsupported Media Type

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

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

How to change Application Start URL for Asp.Net Core Applica...

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

Why is HttpContext Header Empty when trying to retrieve Head...

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

How to Bind a CheckBox data to a Model Integer Property in D...

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

How to optimize sql query in Microsoft SQL Server

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How to optimize sql query in Microsoft SQL Server

Bootstrap 4 and Boostrap 5 Cards of same height in columns

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Bootstrap 4 and Boostrap 5 Cards of same height in columns

Microsoft.WebTools.Shared.Exceptions.WebToolsException: Buil...

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

The configured execution strategy 'SlqServerRetryingExecutio...

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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

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

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 Occurred Wh...

[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 Notes)

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

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

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

Error The instance of entity type ModalType cannot be tracke...

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 AspNet 5

Performance Tuning in Entity Framework Core 5 and AspNet 5

Unable to start Kestrel. Internal.Cryptography.CryptoT...

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 an Event H...

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 start

HTTP Error 500.30 - ASPNET CORE app failed to start

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

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 Production Mod...

Why is AspNet 6 Application always running in Production Mode

InvalidOperationException: Unable to resolve service for typ...

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

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

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

Front-End Bootstrap Development Notes Tips and Tricks in MVC...

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

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

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

InvalidOperationException: <ClassName xmlns='http://tempuri....

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

'Windows-1252' is not a supported encoding name. For informa...

'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 mapping

yaml.parser.ParserError: while parsing a block mapping

Redis Docker Container Error ArgumentException: No endpoints...

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

System.InvalidOperationException: 'FromSqlRaw' or 'FromSqlIn...

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 'asp-for' ...

[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 Connect to SQL...

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 current cont...

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

Microsoft.AspNetCore.Antiforgery.AntiforgeryValidationExcept...

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

[Solved] Asp.Net Core 3.1 config.GetSection returns null. Ap...

[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 load a progr...

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

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

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

InvalidOperationException: An error was generated for warnin...

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.Net Core u...

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

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

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

How to use ContinueWith in an Async Function to Make Sure Th...

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