Solved Solutions to computer programming Errors

XmlException: The ':' character, hexadecimal value

XML
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XmlException: The ':' character, hexadecimal value 0x3A, cannot be included in a name

XML
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SqlException: Conversion failed when converting fr

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

ENTITY FRAMEWORK
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RoutePatternException: The route template separator character '/' cannot appear consecutively. It must be separated by either a parameter or a literal value.

.NET 7
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Escape Character in JavaScript

JAVASCRIPT
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Escape Character in JavaScript

JAVASCRIPT
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Use OCR Plugin to read text from Camera App

TECHNOLOGY
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Use OCR Plugin to read text from Camera App

TECHNOLOGY
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What does TRIM function do in T-SQL

RESEARCH
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What does TRIM function do in T-SQL

RESEARCH
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RoboCopy (Batch Files)

WINDOWS
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RoboCopy (Batch Files)

WINDOWS
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JsonException: The JSON value could not be convert

.NET 7
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JsonException: The JSON value could not be converted to System.Boolean. Path: $[0].IsLiveArticle | LineNumber: 0 | BytePositionInLine: 878.

.NET 7
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What are C# Streams and How to use them

TUTORIALS
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What are C# Streams and How to use them

TUTORIALS
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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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Cannot insert the value NULL into column 'Id', tab

RESEARCH
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Cannot insert the value NULL into column 'Id', table 'TableName'; column does not allow nulls. INSERT fails

RESEARCH
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equivalent of bit data type in C#

.NET 7
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equivalent of bit data type in C#

.NET 7
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StreamJsonRpc.RemoteInvocationException: Cannot fi

TOOLS
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StreamJsonRpc.RemoteInvocationException: Cannot find he old value Parameter name: oldValue

TOOLS
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StreamJsonRpc.RemoteInvocationException: Cannot fi

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

QUESTIONS
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How to send JSON data in HTTP Request Body to a do

DATABASES
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How to send JSON data in HTTP Request Body to a dot net core Web API using Postman

DATABASES
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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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InvalidOperationException: The property 'EntityNam

QUESTIONS
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InvalidOperationException: The property 'EntityName' has a temporary value while attempting to change the entity's state

QUESTIONS
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How to provide default values to an ASP.Net Core D

.NET 7
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How to provide default values to an ASP.Net Core DropDownList MVC

.NET 7
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OverflowException: Value was either too large or t

.NET 7
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OverflowException: Value was either too large or too small for an Int32

.NET 7
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Asp.Net Core Error: InvalidOperationException: The

.NET 7
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Asp.Net Core Error: InvalidOperationException: The database generated a null value for non-nullable property 'PropertyName' of entity type 'EntityName'. Ensure value generation configuration in the database matches the configuration in the model

.NET 7
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Entity Framework Core Error: Unable to track an en

ENTITY FRAMEWORK
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Entity Framework Core Error: Unable to track an entity of type "Model Class Object" because primary key property 'id' is null

ENTITY FRAMEWORK
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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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Subquery returned more than 1 value. This is not p

RESEARCH
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Subquery returned more than 1 value. This is not permitted when the subquery follows =, !=, <, <= , >, >= or when the subquery is used as an expression.

RESEARCH
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yaml.parser.ParserError: while parsing a block map

DOCKER-COMPOSE
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yaml.parser.ParserError: while parsing a block mapping

DOCKER-COMPOSE
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How do you get an ID of recording getting inserted

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

SQL
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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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We're unable to complete your request invalid_requ

SQL
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We're unable to complete your request invalid_request: The provided value for the input parameter 'redirect_uri' is not valid. The expected value is a URI which matches a redirect URI registered for this client application.

SQL
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Issues with Memory Cache TryGetValue always return

.NET 7
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Issues with Memory Cache TryGetValue always returns false

.NET 7
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AggregateException: One or more errors occurred. (

.NET 7
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AggregateException: One or more errors occurred. (The format of value) is invalid

.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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Rounding Down to the Nearest Decimal Point in C-Sh

.NET 7
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Rounding Down to the Nearest Decimal Point in C-Sharp (AspNet 6)

.NET 7
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How to Make An Application to Meet Expectations

COMPUTER PROGRAMMING
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How to Make An Application to Meet Expectations

COMPUTER PROGRAMMING
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Machine Learning Notes

MACHINE LEARNING
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Machine Learning Notes

MACHINE LEARNING
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Pass Jquery Date Picker to CodeBehind

JAVASCRIPT
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Pass Jquery Date Picker to CodeBehind

JAVASCRIPT
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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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"WaitForWarmupCompletion" task was not given a val

DOCKER
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"WaitForWarmupCompletion" task was not given a value for the required parameter of "Configuration"

DOCKER
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Machine Learning Course Udamy Notes

MACHINE-LEARNING
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Machine Learning Course Udamy Notes

MACHINE-LEARNING
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The instance of entity type 'IdentityUserLogin<str

TECHNOLOGY
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The instance of entity type 'IdentityUserLogin<string>' cannot be tracked because another instance with the same key value for {'LoginProvider', 'ProviderKey'} is already being tracked

TECHNOLOGY
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SQL: How to Insert INTO values from another table

SQL
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SQL: How to Insert INTO values from another table into another table

SQL
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Insert INTO

SQL
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Insert INTO

SQL
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Asp.Net Core 3.1 Razor Error: CS1003: Syntax erro

.NET 7
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Asp.Net Core 3.1 Razor Error: CS1003: Syntax error, ',' expected

.NET 7
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SqlExeption: Cannot insert explicit value for iden

SQL
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SqlExeption: Cannot insert explicit value for identity column in table when IDENTITY_INSERT is set to OFF

SQL
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SqlException: Cannot insert the value NULL into co

ENTITY FRAMEWORK
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SqlException: Cannot insert the value NULL into column 'Id', table 'dbo.TableName'; column does not allow nulls. INSERT fails. The statement has been terminated

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

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

TECHNOLOGY
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The instance of entity type 'IdentityUserLogin<str

.NET 7
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The instance of entity type 'IdentityUserLogin<string>' cannot be tracked because another instance with the same key value for {'LoginProvider', 'ProviderKey'} is already being tracked

.NET 7
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Asp.Net Core Error: InvalidOperationException: The

.NET 7
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Asp.Net Core Error: InvalidOperationException: The model item passed into the ViewDataDictionary is of type '<>f__AnonymousType7`2[System.Int32,System.String]', but this ViewDataDictionary instance requires a model item of type 'Modal'.

.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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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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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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character hexadecimal value 0x3A

XmlException: The ':' character, hexadecimal value

XmlException: The ':' character, hexadecimal value 0x3A, cannot be included in a name

SqlException: Conversion failed when converting fr

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

How to check if string is null before replacing ch

How to check if string is null before replacing charecters in C-Sharp (C#)

RoutePatternException: The route template separato

RoutePatternException: The route template separator character '/' cannot appear consecutively. It must be separated by either a parameter or a literal value.

Escape Character in JavaScript

Escape Character in JavaScript

Use OCR Plugin to read text from Camera App

Use OCR Plugin to read text from Camera App

What does TRIM function do in T-SQL

What does TRIM function do in T-SQL

RoboCopy (Batch Files)

RoboCopy (Batch Files)

JsonException: The JSON value could not be convert

JsonException: The JSON value could not be converted to System.Boolean. Path: $[0].IsLiveArticle | LineNumber: 0 | BytePositionInLine: 878.

What are C# Streams and How to use them

What are C# Streams and How to use them

SqlNullValueException: Data is Null. This method o

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

Cannot insert the value NULL into column 'Id', tab

Cannot insert the value NULL into column 'Id', table 'TableName'; column does not allow nulls. INSERT fails

equivalent of bit data type in C#

equivalent of bit data type in C#

StreamJsonRpc.RemoteInvocationException: Cannot fi

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

StreamJsonRpc.RemoteInvocationException: Cannot fi

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

How to send JSON data in HTTP Request Body to a do

How to send JSON data in HTTP Request Body to a dot net core Web API using Postman

warning CS8632: The annotation for nullable refer

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

InvalidOperationException: The property 'EntityNam

InvalidOperationException: The property 'EntityName' has a temporary value while attempting to change the entity's state

How to provide default values to an ASP.Net Core D

How to provide default values to an ASP.Net Core DropDownList MVC

OverflowException: Value was either too large or t

OverflowException: Value was either too large or too small for an Int32

Asp.Net Core Error: InvalidOperationException: The

Asp.Net Core Error: InvalidOperationException: The database generated a null value for non-nullable property 'PropertyName' of entity type 'EntityName'. Ensure value generation configuration in the database matches the configuration in the model

Entity Framework Core Error: Unable to track an en

Entity Framework Core Error: Unable to track an entity of type "Model Class Object" because primary key property 'id' is null

What is New in C-Sharp 9 Programming Language

What is New in C-Sharp 9 Programming Language

Subquery returned more than 1 value. This is not p

Subquery returned more than 1 value. This is not permitted when the subquery follows =, !=, <, <= , >, >= or when the subquery is used as an expression.

yaml.parser.ParserError: while parsing a block map

yaml.parser.ParserError: while parsing a block mapping

How do you get an ID of recording getting inserted

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

[AspNet 5 Entity Framework 6 Error] InvalidOperati

[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.

We're unable to complete your request invalid_requ

We're unable to complete your request invalid_request: The provided value for the input parameter 'redirect_uri' is not valid. The expected value is a URI which matches a redirect URI registered for this client application.

Issues with Memory Cache TryGetValue always return

Issues with Memory Cache TryGetValue always returns false

AggregateException: One or more errors occurred. (

AggregateException: One or more errors occurred. (The format of value) is invalid

An unhandled exception has occurred while executin

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

Rounding Down to the Nearest Decimal Point in C-Sh

Rounding Down to the Nearest Decimal Point in C-Sharp (AspNet 6)

How to Make An Application to Meet Expectations

How to Make An Application to Meet Expectations

Machine Learning Notes

Machine Learning Notes

Pass Jquery Date Picker to CodeBehind

Pass Jquery Date Picker to CodeBehind

SQL Query Like does not work with Spaces in a Stri

SQL Query Like does not work with Spaces in a String

"WaitForWarmupCompletion" task was not given a val

"WaitForWarmupCompletion" task was not given a value for the required parameter of "Configuration"

Machine Learning Course Udamy Notes

Machine Learning Course Udamy Notes

The instance of entity type 'IdentityUserLogin<str

The instance of entity type 'IdentityUserLogin<string>' cannot be tracked because another instance with the same key value for {'LoginProvider', 'ProviderKey'} is already being tracked

SQL: How to Insert INTO values from another table