Solved Solutions to computer programming Errors

Entity Framework Core Error: To change the IDENTITY property of a column, the column needs to be dropped and recreated

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Solved!! Dot Net Core 3.1 Error: Inspecting the st

DATABASES
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Solved!! Dot Net Core 3.1 Error: Inspecting the state of an object in the debuggee of type System.Reflection.MethodBase is not supported in this context

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Window WPF Application Error: CS1566 Error resourc

QUESTIONS
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Window WPF Application Error: CS1566 Error resource WpfApp.g.resources --'Could not find file AppName.g.resources'

QUESTIONS
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MSBUILD : error MSB1009: Project file does not exi

.NET 7
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MSBUILD : error MSB1009: Project file does not exist. Switch: ProjectName.csproj

.NET 7
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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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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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InvalidOperationException: There is no ViewData it

.NET 7
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InvalidOperationException: There is no ViewData item of type 'IEnumerable<SelectListItem>' that has the key 'Department'

.NET 7
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Error: The type or namespace UI does not exist in

.NET 7
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Error: The type or namespace UI does not exist in the namespace Microsoft.AspNetCore.Identity bootstrap dotnet core 3.0

.NET 7
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The multi-part identifier "inserted.Id" could not

SQL
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The multi-part identifier "inserted.Id" could not be bound

SQL
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SQL Query Like does not work with Spaces in a Stri

SQL
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SQL Query Like does not work with Spaces in a String

SQL
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pull access denied for microsoft/mssql-server-lin

DOCKER-COMPOSE
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pull access denied for microsoft/mssql-server-linux, repository does not exist or may require 'docker login': denied: requested access to the resource is denied

DOCKER-COMPOSE
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How to get localized string from ASP.NET Core Cont

.NET 7
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How to get localized string from ASP.NET Core Controller Work Around

.NET 7
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Asp.Net Core 3.1 Entity Framwork Database Context

.NET 7
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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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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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[Solved]: Invalid version: 16. (Microsoft.SqlServe

[Solved]: Invalid version: 16. (Microsoft.SqlServer.Smo)

OTHER
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Master not discovered yet, this node has not previ

RESEARCH
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Master not discovered yet, this node has not previously joined a bootstrapped (v7+) cluster Docker Container

RESEARCH
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Android Studio Error: Cause:com.android.build.grad

ANDROID
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Android Studio Error: Cause:com.android.build.gradle.tasks.factory.AndroidJavaCompile.setDepedencyCacheDir(Ljava/io/F;)

ANDROID
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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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Entity Framework Core 6 and 7 Tips and Tricks

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Entity Framework Core 6 and 7 Tips and Tricks

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Asp.Net MVC Development Notes

.NET 7
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Asp.Net MVC Development Notes

.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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InvalidOperationException, A second operation star

ENTITY FRAMEWORK
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InvalidOperationException, A second operation started on this context before a previous operation completed.

ENTITY FRAMEWORK
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HTTP Error 502.5 - Process Failure: The current .N

NETWORK
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HTTP Error 502.5 - Process Failure: The current .Net SDK does not support targeting .NET Core 3.0. Either target .NET Core 2.2 or lower. Visual Studio 2019 unable to locate .Net Core SDK

NETWORK
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[Solved] InvalidOperationException: The entity typ

MVC
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[Solved] InvalidOperationException: The entity type 'TableNameOrModelName' requires a primary key to be defined. If you intended to use a keyless entity type call 'HasNoKey()'.

MVC
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Microsoft Data SqlClient SqlException (0x80131904)

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Microsoft Data SqlClient SqlException (0x80131904) New transaction is not allowed because there are other threads running in the session

ENTITY FRAMEWORK
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Redis Cache does not work

QUESTIONS
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Redis Cache does not work

QUESTIONS
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How to get current date in angular in HTML inline

RESEARCH
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How to get current date in angular in HTML inline

RESEARCH
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How to get another User Claims or Add User to a Ro

.NET 7
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How to get another User Claims or Add User to a Role in Asp.Net Core Application

.NET 7
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Asp.Net Core MVC Razor View Form not posting data

.NET 7
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Asp.Net Core MVC Razor View Form not posting data to the Server-Side

.NET 7
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MSB1009: Docker File Error when building Asp.Net 5

.NET 7
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MSB1009: Docker File Error when building Asp.Net 5

.NET 7
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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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Asp.Net Core 3.1 Entity Framework Core DateTime fi

.NET 7
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Asp.Net Core 3.1 Entity Framework Core DateTime field getting updated to 1/1/0001

.NET 7
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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

.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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The expression 'b.listOfFileRecords' is invalid in

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The expression 'b.listOfFileRecords' is invalid inside an 'Include' operation, since it does not represent a property access

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Use A Network Attached Drive To Develop An App

NETWORK
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Use A Network Attached Drive To Develop An App

NETWORK
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NOTICE[2019]: res_pjsip_session.c:3981 new_invite:

HOME
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NOTICE[2019]: res_pjsip_session.c:3981 new_invite: voipms: Call (TCP:2.1.6.8:5060) to extension '88' rejected because extension not found in context 'general'

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System.ObjectDisposedException: Cannot access a di

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

OTHER
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Software Development Good Practices

.NET 7
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Software Development Good Practices

.NET 7
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What does COALESCE do in SQL

SQL
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What does COALESCE do in SQL

SQL
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Design Parterns in C-Sharp

C-SHARP
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Design Parterns in C-Sharp

C-SHARP
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[AspNet 5 Entity Framework 6 Error] InvalidOperati

.NET 7
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[AspNet 5 Entity Framework 6 Error] InvalidOperationException: The property "ModelName.Id" has a temporary value while attempting to change the entity's state to "Modified". Either set a permanent value explicitly, or ensure that the database is configured to generate values for this property.

.NET 7
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How to get a User ID in Asp.Net Core 3.1 (ClaimPri

.NET 7
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How to get a User ID in Asp.Net Core 3.1 (ClaimPrincipal) in a Service Repository

.NET 7
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warning CS8632: The annotation for nullable refer

.NET 7
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warning CS8632: The annotation for nullable reference types should only be used in code within a '#nullable' annotations context.

.NET 7
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Asp.Net Core 3.1 2020 Conference Notes

EDUCATION
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Asp.Net Core 3.1 2020 Conference Notes

EDUCATION
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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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InvalidOperationException: The current thread is n

QUESTIONS
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InvalidOperationException: The current thread is not associated with the Dispatcher. Use InvokeAsync() to switch execution to the Dispatcher when triggering rendering or component state.

QUESTIONS
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ViewBag does not exist in current context

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

The name 'Category' does not exist in the current

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

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

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

Entity Framework Core Error: To change the IDENTIT

Entity Framework Core Error: To change the IDENTITY property of a column, the column needs to be dropped and recreated

Solved!! Dot Net Core 3.1 Error: Inspecting the st

Solved!! Dot Net Core 3.1 Error: Inspecting the state of an object in the debuggee of type System.Reflection.MethodBase is not supported in this context

Window WPF Application Error: CS1566 Error resourc

Window WPF Application Error: CS1566 Error resource WpfApp.g.resources --'Could not find file AppName.g.resources'

MSBUILD : error MSB1009: Project file does not exi

MSBUILD : error MSB1009: Project file does not exist. Switch: ProjectName.csproj

SqlException: Conversion failed when converting fr

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

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

InvalidOperationException: There is no ViewData it

InvalidOperationException: There is no ViewData item of type 'IEnumerable<SelectListItem>' that has the key 'Department'

Error: The type or namespace UI does not exist in

Error: The type or namespace UI does not exist in the namespace Microsoft.AspNetCore.Identity bootstrap dotnet core 3.0

The multi-part identifier "inserted.Id" could not

The multi-part identifier "inserted.Id" could not be bound

SQL Query Like does not work with Spaces in a Stri

SQL Query Like does not work with Spaces in a String

pull access denied for microsoft/mssql-server-lin

pull access denied for microsoft/mssql-server-linux, repository does not exist or may require 'docker login': denied: requested access to the resource is denied

How to get localized string from ASP.NET Core Cont

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

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

InvalidOperation: The connection was not closed. T

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

[Solved]: Invalid version: 16. (Microsoft.SqlServe

[Solved]: Invalid version: 16. (Microsoft.SqlServer.Smo)

Master not discovered yet, this node has not previ

Master not discovered yet, this node has not previously joined a bootstrapped (v7+) cluster Docker Container

Android Studio Error: Cause:com.android.build.grad

Android Studio Error: Cause:com.android.build.gradle.tasks.factory.AndroidJavaCompile.setDepedencyCacheDir(Ljava/io/F;)

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)

Entity Framework Core 6 and 7 Tips and Tricks

Entity Framework Core 6 and 7 Tips and Tricks

Asp.Net MVC Development Notes

Asp.Net MVC Development Notes

Could not execute because the application was not

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

InvalidOperationException, A second operation star

InvalidOperationException, A second operation started on this context before a previous operation completed.

HTTP Error 502.5 - Process Failure: The current .N

HTTP Error 502.5 - Process Failure: The current .Net SDK does not support targeting .NET Core 3.0. Either target .NET Core 2.2 or lower. Visual Studio 2019 unable to locate .Net Core SDK

[Solved] InvalidOperationException: The entity typ

[Solved] InvalidOperationException: The entity type 'TableNameOrModelName' requires a primary key to be defined. If you intended to use a keyless entity type call 'HasNoKey()'.

Microsoft Data SqlClient SqlException (0x80131904)

Microsoft Data SqlClient SqlException (0x80131904) New transaction is not allowed because there are other threads running in the session

Redis Cache does not work

Redis Cache does not work

How to get current date in angular in HTML inline

How to get current date in angular in HTML inline

How to get another User Claims or Add User to a Ro

How to get another User Claims or Add User to a Role in Asp.Net Core Application

Asp.Net Core MVC Razor View Form not posting data

Asp.Net Core MVC Razor View Form not posting data to the Server-Side

MSB1009: Docker File Error when building Asp.Net 5

MSB1009: Docker File Error when building Asp.Net 5

[EF Core] How to Enable Sensitive Data Logging and

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

Asp.Net Core 3.1 Entity Framework Core DateTime fi

Asp.Net Core 3.1 Entity Framework Core DateTime field getting updated to 1/1/0001

RuntimeBinderException: The best overloaded method

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

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

The expression 'b.listOfFileRecords' is invalid in

The expression 'b.listOfFileRecords' is invalid inside an 'Include' operation, since it does not represent a property access

Use A Network Attached Drive To Develop An App

Use A Network Attached Drive To Develop An App

NOTICE[2019]: res_pjsip_session.c:3981 new_invite: