Solved Solutions to computer programming Errors

StreamJsonRpc.RemoteInvocationException: Cannot find the old value Parameter name: oldValue

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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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An unhandled exception has occurred while executin

.NET 7
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An unhandled exception has occurred while executing the request. System.ArgumentNullException: Value cannot be null. (Parameter 'buffer')

.NET 7
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RuntimeBinderException: 'System.Dynamic.DynamicObj

.NET 7
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RuntimeBinderException: 'System.Dynamic.DynamicObject'does not contain a definition for 'Modal'

.NET 7
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[Solved] Asp.Net Core C-Sharp Error: IOException:

.NET 7
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[Solved] Asp.Net Core C-Sharp Error: IOException: The process cannot access file because it is being used by another process

.NET 7
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No matching IPassiveHealthCheckPolicy found for th

QUESTIONS
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No matching IPassiveHealthCheckPolicy found for the passive health check policy name 'TransportFailureRateHealthPolicy'

QUESTIONS
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System.TypeInitializationException: The type initi

LUNUX
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System.TypeInitializationException: The type initializer for 'Gdip' threw an exception

LUNUX
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Unhandled exception. System.InvalidOperationExcept

.NET 7
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Unhandled exception. System.InvalidOperationException: This platform doesn't support QUIC or HTTP3

.NET 7
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Asp.Net Programming Bad Practices

ALGORITHMS
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Asp.Net Programming Bad Practices

ALGORITHMS
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[Entity Framework Core 5] An Unhandled Exception O

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

ENTITY FRAMEWORK
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SqlNullValueException: Data is Null. This method o

ENTITY FRAMEWORK
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SqlNullValueException: Data is Null. This method or property cannot be called on Null values

ENTITY FRAMEWORK
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Application startup exception: System.InvalidOpera

MVC
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Application startup exception: System.InvalidOperationException: Cannot resolve scoped service from root provider

MVC
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How to Optimize Web Server for Faster Response Tim

TECHNOLOGY
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How to Optimize Web Server for Faster Response Time

TECHNOLOGY
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InvalidOperation: The connection was not closed. T

ENTITY FRAMEWORK
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InvalidOperation: The connection was not closed. The connections current state is connecting

ENTITY FRAMEWORK
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System.IO.FileNotFoundException: Could not load fi

.NET 7
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System.IO.FileNotFoundException: Could not load file or assembly 'System.Runtime.CompilerServices.Unsafe, Version=6.0.0.0, Culture=neutral

.NET 7
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How to Enable COM Ports on Windows 10 or 11 and Us

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How to Enable COM Ports on Windows 10 or 11 and Use Prolific PL2303 USB to Serial Cable

RESEARCH
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An Exception was thrown while attempting to evalua

.NET 7
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An Exception was thrown while attempting to evaluate the LINQ query parameter expression

.NET 7
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Software Development Refactoring Wisdom I gained t

SOFTWARE DEVELOPMENT
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Software Development Refactoring Wisdom I gained through Reviewing My Own Code

SOFTWARE DEVELOPMENT
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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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InvalidOperationException: An exception was thrown

ENTITY FRAMEWORK
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InvalidOperationException: An exception was thrown while attempting to evaluate the LINQ query parameter expression

ENTITY FRAMEWORK
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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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An Exception occurred in the database while saving

.NET 7
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An Exception occurred in the database while saving changes for context type 'ContextType' Microsoft.Data.SqlClient.SqlException (0x80131904)

.NET 7
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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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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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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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Keyword or statement option 'bulkadmin' is not sup

SQL
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Keyword or statement option 'bulkadmin' is not supported on the 'Linux' platform

SQL
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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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InvalidOperationException: The model item passed i

DATABASES
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InvalidOperationException: The model item passed into the ViewDataDictionary is of type 'System.Collections.Generic.List`1', but this ViewDataDictionary instance requires a model item of type 'Another Model'.

DATABASES
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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"

.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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SqlException: New transaction is not allowed becau

.NET 7
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SqlException: New transaction is not allowed because there are other threads running in the session

.NET 7
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Sql Server Error, Entity Framework Core Error: An

SQL
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Sql Server Error, Entity Framework Core Error: An unhandled exception occurred while processing the request. SqlException: Invalid column name 'ColumnName'. Invalid column name 'AnotherColumnName'.

SQL
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InvalidOperationException: An error was generated

ENTITY FRAMEWORK
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InvalidOperationException: An error was generated for warning 'Microsoft.EntityFrameworkCore.Query.InvalidIncludePathError

ENTITY FRAMEWORK
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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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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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ExecuteDataReader Error: An error occured while at

SQL
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ExecuteDataReader Error: An error occured while attempting to process your query Incorrect syntax near 'SomeValue'

SQL
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An error was generated for warning 'Microsoft.Enti

ENTITY FRAMEWORK
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An error was generated for warning 'Microsoft.EntityFrameworkCore.Query.InvalidIncludePathError': Unable to find navigation specified in string based include path

ENTITY FRAMEWORK
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InvalidOperationException: Incorrect Content-Type

MVC
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InvalidOperationException: Incorrect Content-Type

MVC
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Microsoft.EntityFrameworkCore.Database.Transaction

ENTITY FRAMEWORK
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Microsoft.EntityFrameworkCore.Database.Transaction[20205] An error occurred using a transaction.

ENTITY FRAMEWORK
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Microsoft.CSharp.RuntimeBinder.RuntimeBinderExcept

.NET 7
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Microsoft.CSharp.RuntimeBinder.RuntimeBinderException: 'The call is ambiguous between the following methods or properties'

.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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Microsoft.WebTools.Shared.Exceptions.WebToolsExcep

.NET 7
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Microsoft.WebTools.Shared.Exceptions.WebToolsException: Build failed. Check the Output window for more details

.NET 7
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Unhandled exception. System.DllNotFoundException:

NETWORK
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Unhandled exception. System.DllNotFoundException: Unable to load shared library 'MklImports' or one of its dependencies. In order to help diagnose loading problems, consider setting the LD_DEBUG environment variable: libMklImports: cannot open shared object file: No such file or directory

NETWORK
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C-Sharp 11 Tips and Tricks

RESEARCH
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C-Sharp 11 Tips and Tricks

RESEARCH
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How to Use Spans in C-Sharp ( Stackalloc, Heap and

.NET 7
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How to Use Spans in C-Sharp ( Stackalloc, Heap and Stack Memory)

.NET 7
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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 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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Tips Tricks When Drawing Realistic Photo

ART
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Tips Tricks When Drawing Realistic Photo

ART
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win32 exception

iis just in time debugging error

iis just in time debugging error

NullReferenceException: Object reference not set t

NullReferenceException: Object reference not set to an instance of an object

StreamJsonRpc.RemoteInvocationException: Cannot fi

StreamJsonRpc.RemoteInvocationException: Cannot find the old value Parameter name: oldValue

_context.ChangeTracker 'threw an exception of type

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

An unhandled exception has occurred while executin

An unhandled exception has occurred while executing the request. System.ArgumentNullException: Value cannot be null. (Parameter 'buffer')

RuntimeBinderException: 'System.Dynamic.DynamicObj

RuntimeBinderException: 'System.Dynamic.DynamicObject'does not contain a definition for 'Modal'

[Solved] Asp.Net Core C-Sharp Error: IOException:

[Solved] Asp.Net Core C-Sharp Error: IOException: The process cannot access file because it is being used by another process

No matching IPassiveHealthCheckPolicy found for th

No matching IPassiveHealthCheckPolicy found for the passive health check policy name 'TransportFailureRateHealthPolicy'

System.TypeInitializationException: The type initi

System.TypeInitializationException: The type initializer for 'Gdip' threw an exception

Unhandled exception. System.InvalidOperationExcept

Unhandled exception. System.InvalidOperationException: This platform doesn't support QUIC or HTTP3

Asp.Net Programming Bad Practices

Asp.Net Programming Bad Practices

[Entity Framework Core 5] An Unhandled Exception O

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

SqlNullValueException: Data is Null. This method o

SqlNullValueException: Data is Null. This method or property cannot be called on Null values

Application startup exception: System.InvalidOpera

Application startup exception: System.InvalidOperationException: Cannot resolve scoped service from root provider

How to Optimize Web Server for Faster Response Tim

How to Optimize Web Server for Faster Response Time

InvalidOperation: The connection was not closed. T

InvalidOperation: The connection was not closed. The connections current state is connecting

System.IO.FileNotFoundException: Could not load fi

System.IO.FileNotFoundException: Could not load file or assembly 'System.Runtime.CompilerServices.Unsafe, Version=6.0.0.0, Culture=neutral

How to Enable COM Ports on Windows 10 or 11 and Us

How to Enable COM Ports on Windows 10 or 11 and Use Prolific PL2303 USB to Serial Cable

An Exception was thrown while attempting to evalua

An Exception was thrown while attempting to evaluate the LINQ query parameter expression

Software Development Refactoring Wisdom I gained t

Software Development Refactoring Wisdom I gained through Reviewing My Own Code

An unhandled exception occurred while processing t

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

InvalidOperationException: An exception was thrown

InvalidOperationException: An exception was thrown while attempting to evaluate the LINQ query parameter expression

NotSupportedException: Path 'wwwroot myfolder file

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

An Exception occurred in the database while saving

An Exception occurred in the database while saving changes for context type 'ContextType' Microsoft.Data.SqlClient.SqlException (0x80131904)

The configured execution strategy 'SlqServerRetryi

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

System.InvalidOperationException: The ConnectionSt

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

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'.

Keyword or statement option 'bulkadmin' is not sup

Keyword or statement option 'bulkadmin' is not supported on the 'Linux' platform

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

InvalidOperationException: The model item passed i

InvalidOperationException: The model item passed into the ViewDataDictionary is of type 'System.Collections.Generic.List`1', but this ViewDataDictionary instance requires a model item of type 'Another Model'.

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"

Cannot consume scoped service Microsoft.AspNetCore

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

SqlException: New transaction is not allowed becau

SqlException: New transaction is not allowed because there are other threads running in the session

Sql Server Error, Entity Framework Core Error: An

Sql Server Error, Entity Framework Core Error: An unhandled exception occurred while processing the request. SqlException: Invalid column name 'ColumnName'. Invalid column name 'AnotherColumnName'.

InvalidOperationException: An error was generated

InvalidOperationException: An error was generated for warning 'Microsoft.EntityFrameworkCore.Query.InvalidIncludePathError

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

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

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

ExecuteDataReader Error: An error occured while at

ExecuteDataReader Error: An error occured while attempting to process your query Incorrect syntax near 'SomeValue'

An error was generated for warning 'Microsoft.Enti

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

InvalidOperationException: Incorrect Content-Type