Solved Solutions to computer programming Errors

System.InvalidOperationException: The ConnectionSt

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

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SqlException: A connection was successfully establ

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

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SqlException: A connection was successfully establ

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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.)

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How to Connect to PostgreSQL using ODBC 32bit Dsn

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How to Connect to PostgreSQL using ODBC 32bit Dsn and Connection String from SQL Server

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How to use Microsoft Signalr C# Client in Asp.Net Core 31 (Error: WithUrl() not found in Core 3 client)

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Error: ("Connection broken: ConnectionResetError(1

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Error: ("Connection broken: ConnectionResetError(104, 'Connection reset by peer')", ConnectionResetError(104, 'Connection reset by peer'))

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Error 0xc02020a1: Data Flow Task 1: Data conversio

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Error 0xc02020a1: Data Flow Task 1: Data conversion failed. The data conversion for column "NAME" returned status value 4 and status text "Text was truncated or one or more characters had no match in the target code page.". (SQL Server Import and Export Wizard)

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What is New in Asp Net 7 and EF Core 7 (Best Featu

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What is New in Asp Net 7 and EF Core 7 (Best Features)

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[Solved: Unauthorized WOPI host.]: Failed to estab

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[Solved: Unauthorized WOPI host.]: Failed to establish socket connection or socket connection closed unexpectedly.

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nest - ElasticSearch Order By String

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nest - ElasticSearch Order By String

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FireWall UFW Ubuntu Mysql Allow Remote Connection

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FireWall UFW Ubuntu Mysql Allow Remote Connection

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Mysql Connect to Remote Server

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Mysql Connect to Remote Server

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System.IO.FileNotFoundException: Could not load fi

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

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Can not connect to SQL server in docker container

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

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Connection error 401: permission denied - invalid

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Connection error 401: permission denied - invalid PVE ticket

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Ethernet Port Forwarding Problems

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Ethernet Port Forwarding Problems

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Microsoft SQL Server, Error: 258

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Microsoft SQL Server, Error: 258

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The configured execution strategy 'SlqServerRetryi

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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

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Microsoft Unit Test Project Won't Run in C# Applic

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Microsoft Unit Test Project Won't Run in C# Application

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GitHub Extension for Visual Studio not appearing i

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GitHub Extension for Visual Studio not appearing in Visual Studio 2019

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SqlException: New transaction is not allowed becau

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

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Asp.Net Core 3.1 Entity Framwork Database Context

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Asp.Net Core 3.1 Entity Framwork Database Context Error: System.ObjectDisposedException: 'Cannot access a disposed object

.NET 7
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Access SQL Server Management Remotely

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Access SQL Server Management Remotely

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RuntimeBinderException: The best overloaded method

.NET 7
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RuntimeBinderException: The best overloaded method match for 'string.Replace(char, char)' has some invalid arguments

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ArgumentException: String cannot be of zero length

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ArgumentException: String cannot be of zero length. (Parameter 'oldValue')

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How to get a path to a file in an ASP Dot Net (ASP

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How to get a path to a file in an ASP Dot Net (ASP.Net Core 2.2 ) Core 2.2 Application

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The endpoint is configured to use HTTP1.1 and HTT

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The endpoint is configured to use HTTP1.1 and HTTP/2, but TLS is not enabled. HTTP2 requires TLS application protocol negotiation. Connections to this endpoint will use HTTP1.1

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[Solved] cannot apply indexing with [] to an expre

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[Solved] cannot apply indexing with [] to an expression of type QueryString

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InvalidOperationException: The 'Microsoft.AspNetCo

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

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Connection Timeout Expired. The timeout period el

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Connection Timeout Expired. The timeout period elapsed while attempting to consume the pre-login handshake acknowledgement. This could be because the pre-login handshake

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InvalidOperation: The connection was not closed. T

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

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How to Connect to Linux Ubuntu 20 using Remote Des

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How to Connect to Linux Ubuntu 20 using Remote Desktop from Windows

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How to get localized string from ASP.NET Core Cont

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How to get localized string from ASP.NET Core Controller Work Around

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SQL Query Like does not work with Spaces in a Stri

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SQL Query Like does not work with Spaces in a String

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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)

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How to Deserialize XML into Object in Asp.Net Core

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How to Deserialize XML into Object in Asp.Net Core 3.1

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SqlException: Conversion failed when converting fr

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SqlException: Conversion failed when converting from a character string to uniqueidentifier

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How to Host DNX,DNU,DotNet Core CR in IIS

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How to Host DNX,DNU,DotNet Core CR in IIS

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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".

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[EF Core] How to Enable Sensitive Data Logging and

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

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Machine-Learning Error: Message=Could not apply a

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Machine-Learning Error: Message=Could not apply a map over type 'Single' to column 'YourOneHotEncodeColumn' since it has type 'String'

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InvalidOperationException: An error was generated

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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'.

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How do you use CONCAT_WS function in T-SQL

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How do you use CONCAT_WS function in T-SQL

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Asus RTX 3000 Wifi lights not blinking (Wifi not w

Asus RTX 3000 Wifi lights not blinking (Wifi not working)

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[PDO] Ubuntu 18.04 Drupal Installation Error

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[PDO] Ubuntu 18.04 Drupal Installation Error

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Connect to FTP Server From Remote Computer

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Connect to FTP Server From Remote Computer

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Redis Docker Container Error ArgumentException: No

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

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Connection String

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.

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.)

How to Connect to PostgreSQL using ODBC 32bit Dsn

How to Connect to PostgreSQL using ODBC 32bit Dsn and Connection String from SQL Server

How to Code a Windows Service that Updates the Dat

How to Code a Windows Service that Updates the Database Table Nightly

Invalid column name '*_ID'

Invalid column name '*_ID'

How do you get an ID of recording getting inserted

How do you get an ID of recording getting inserted in sql

How to use Microsoft Signalr C# Client in Asp.Net

How to use Microsoft Signalr C# Client in Asp.Net Core 31 (Error: WithUrl() not found in Core 3 client)

Error: ("Connection broken: ConnectionResetError(1

Error: ("Connection broken: ConnectionResetError(104, 'Connection reset by peer')", ConnectionResetError(104, 'Connection reset by peer'))

Error 0xc02020a1: Data Flow Task 1: Data conversio

Error 0xc02020a1: Data Flow Task 1: Data conversion failed. The data conversion for column "NAME" returned status value 4 and status text "Text was truncated or one or more characters had no match in the target code page.". (SQL Server Import and Export Wizard)

What is New in Asp Net 7 and EF Core 7 (Best Featu

What is New in Asp Net 7 and EF Core 7 (Best Features)

[Solved: Unauthorized WOPI host.]: Failed to estab

[Solved: Unauthorized WOPI host.]: Failed to establish socket connection or socket connection closed unexpectedly.

nest - ElasticSearch Order By String

nest - ElasticSearch Order By String

FireWall UFW Ubuntu Mysql Allow Remote Connection

FireWall UFW Ubuntu Mysql Allow Remote Connection

Mysql Connect to Remote Server

Mysql Connect to Remote Server

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

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

Connection error 401: permission denied - invalid

Connection error 401: permission denied - invalid PVE ticket

Ethernet Port Forwarding Problems

Ethernet Port Forwarding Problems

Microsoft SQL Server, Error: 258

Microsoft SQL Server, Error: 258

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

Microsoft Unit Test Project Won't Run in C# Applic

Microsoft Unit Test Project Won't Run in C# Application

GitHub Extension for Visual Studio not appearing i

GitHub Extension for Visual Studio not appearing in Visual Studio 2019

SqlException: New transaction is not allowed becau

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

Asp.Net Core 3.1 Entity Framwork Database Context

Asp.Net Core 3.1 Entity Framwork Database Context Error: System.ObjectDisposedException: 'Cannot access a disposed object

Access SQL Server Management Remotely

Access SQL Server Management Remotely

RuntimeBinderException: The best overloaded method

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

ArgumentException: String cannot be of zero length

ArgumentException: String cannot be of zero length. (Parameter 'oldValue')

How to get a path to a file in an ASP Dot Net (ASP

How to get a path to a file in an ASP Dot Net (ASP.Net Core 2.2 ) Core 2.2 Application

The endpoint is configured to use HTTP1.1 and HTT

The endpoint is configured to use HTTP1.1 and HTTP/2, but TLS is not enabled. HTTP2 requires TLS application protocol negotiation. Connections to this endpoint will use HTTP1.1

[Solved] cannot apply indexing with [] to an expre

[Solved] cannot apply indexing with [] to an expression of type QueryString

InvalidOperationException: The 'Microsoft.AspNetCo

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

Connection Timeout Expired. The timeout period el

Connection Timeout Expired. The timeout period elapsed while attempting to consume the pre-login handshake acknowledgement. This could be because the pre-login handshake

InvalidOperation: The connection was not closed. T

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

How to Connect to Linux Ubuntu 20 using Remote Des

How to Connect to Linux Ubuntu 20 using Remote Desktop from Windows

How to get localized string from ASP.NET Core Cont

How to get localized string from ASP.NET Core Controller Work Around

SQL Query Like does not work with Spaces in a Stri

SQL Query Like does not work with Spaces in a String

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

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

How to Deserialize XML into Object in Asp.Net Core

How to Deserialize XML into Object in Asp.Net Core 3.1

SqlException: Conversion failed when converting fr