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[Solved] Asp.Net Core 3.1 config.GetSection return
.NET 7
Likes 110
Views 2590
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[Solved] Asp.Net Core 3.1 config.GetSection returns null. AppSettings.json null values.
.NET 7
Likes: 110
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SqlNullValueException: Data is Null. This method o
ENTITY FRAMEWORK
Likes 40
Views 18
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SqlNullValueException: Data is Null. This method or property cannot be called on Null values
ENTITY FRAMEWORK
Likes: 40
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HTTP Error 500.30 - ASPNET CORE app failed to star
.NET 7
Likes 93
Views 707
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HTTP Error 500.30 - ASPNET CORE app failed to start
.NET 7
Likes: 93
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Cannot insert the value NULL into column 'Id', tab
RESEARCH
Likes 6
Views 0
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Cannot insert the value NULL into column 'Id', table 'TableName'; column does not allow nulls. INSERT fails
RESEARCH
Likes: 6
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Asp.Net Core Error: InvalidOperationException: The
.NET 7
Likes 85
Views 341
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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
Likes: 85
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warning CS8632: The annotation for nullable refer
.NET 7
Likes 61
Views 488
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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
Likes: 61
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Redis Docker Container Error ArgumentException: No
DOCKER
Likes 67
Views 331
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Redis Docker Container Error ArgumentException: No endpoints specified (Parameter 'configuration')
DOCKER
Likes: 67
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SqlNullValueException: Data is Null. This method o
QUESTIONS
Likes 87
Views 809
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SqlNullValueException: Data is Null. This method or property cannot be called on Null values
QUESTIONS
Likes: 87
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What does COALESCE do in SQL
SQL
Likes 15
Views 0
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What does COALESCE do in SQL
SQL
Likes: 15
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Asp.Net Adding Object to Database Error: Collectio
.NET 7
Likes 83
Views 291
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Asp.Net Adding Object to Database Error: Collection was modified; enumeration operation may not execute
.NET 7
Likes: 83
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An unhandled exception occurred while processing t
.NET 7
Likes 75
Views 11
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An unhandled exception occurred while processing the request: FormatException: The header contains invalid values at index 0
.NET 7
Likes: 75
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An unhandled exception has occurred while executin
.NET 7
Likes 27
Views 0
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An unhandled exception has occurred while executing the request. System.ArgumentNullException: Value cannot be null. (Parameter 'buffer')
.NET 7
Likes: 27
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How to use one appsettings.json file across muilti
TECHNOLOGY
Likes 90
Views 400
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How to use one appsettings.json file across muiltiple applications
TECHNOLOGY
Likes: 90
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How to check if string is null before replacing ch
SQL
Likes 75
Views 382
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How to check if string is null before replacing charecters in C-Sharp (C#)
SQL
Likes: 75
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System.InvalidOperationException: The ConnectionSt
ENTITY FRAMEWORK
Likes 23
Views 0
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System.InvalidOperationException: The ConnectionString property has not been initialized [EF Core 7, Asp.Net 7]
ENTITY FRAMEWORK
Likes: 23
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InvalidOperationException: An exception was thrown
ENTITY FRAMEWORK
Likes 68
Views 0
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InvalidOperationException: An exception was thrown while attempting to evaluate the LINQ query parameter expression
ENTITY FRAMEWORK
Likes: 68
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How to copy data from one table to a new table wit
RESEARCH
Likes 4
Views 0
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How to copy data from one table to a new table with primary and foreign keys respected
RESEARCH
Likes: 4
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[Entity Framework Core 5] An Unhandled Exception O
ENTITY FRAMEWORK
Likes 88
Views 302
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[Entity Framework Core 5] An Unhandled Exception Occurred While Processing the Request
ENTITY FRAMEWORK
Likes: 88
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Software Development Refactoring Wisdom I gained t
SOFTWARE DEVELOPMENT
Likes 81
Views 175
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Software Development Refactoring Wisdom I gained through Reviewing My Own Code
SOFTWARE DEVELOPMENT
Likes: 81
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Machine Learning Course Udamy Notes
MACHINE-LEARNING
Likes 114
Views 331
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Machine Learning Course Udamy Notes
MACHINE-LEARNING
Likes: 114
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InvalidOperationException: The property 'EntityNam
QUESTIONS
Likes 65
Views 26
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InvalidOperationException: The property 'EntityName' has a temporary value while attempting to change the entity's state
QUESTIONS
Likes: 65
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Migrate Existing Asp.Net Web Site to .Net Core
.NET 7
Likes 96
Views 312
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Migrate Existing Asp.Net Web Site to .Net Core
.NET 7
Likes: 96
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Find Out Which Database Contain A Table
DATABASES
Likes 75
Views 318
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Find Out Which Database Contain A Table
DATABASES
Likes: 75
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NullReferenceException: Object reference not set t
TECHNOLOGY
Likes 103
Views 298
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NullReferenceException: Object reference not set to an instance of an object
TECHNOLOGY
Likes: 103
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InvalidOperationException: There is no ViewData it
.NET 7
Likes 22
Views 0
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InvalidOperationException: There is no ViewData item of type 'IEnumerable<SelectListItem>' that has the key 'Department'
.NET 7
Likes: 22
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System.IO.FileNotFoundException: Could not load fi
.NET 7
Likes 41
Views 0
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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
Likes: 41
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Drupal 8 Bootstrap 4 Not Loading CSS Files
BOOTSTRAP
Likes 89
Views 298
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Drupal 8 Bootstrap 4 Not Loading CSS Files
BOOTSTRAP
Likes: 89
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How to get localized string from ASP.NET Core Cont
.NET 7
Likes 29
Views 0
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How to get localized string from ASP.NET Core Controller Work Around
.NET 7
Likes: 29
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ArgumentException: Affinity key name set on the cl
SERVERS
Likes 24
Views 0
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ArgumentException: Affinity key name set on the cluster 'allclusterprops' must not be null.
SERVERS
Likes: 24
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SqlException: Cannot insert the value NULL into co
ENTITY FRAMEWORK
Likes 48
Views 0
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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
Likes: 48
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Linux service returns (code=exited, status=2)
LINUX
Likes 10
Views 0
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Linux service returns (code=exited, status=2)
LINUX
Likes: 10
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[Access,Excel Linked Table Problem] Solved!!
TECHNOLOGY
Likes 76
Views 280
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[Access,Excel Linked Table Problem] Solved!!
TECHNOLOGY
Likes: 76
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[AspNet 5 Entity Framework 6 Error] InvalidOperati
.NET 7
Likes 59
Views 194
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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
Likes: 59
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RuntimeBinderException: 'System.Dynamic.DynamicObj
.NET 7
Likes 23
Views 0
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RuntimeBinderException: 'System.Dynamic.DynamicObject'does not contain a definition for 'Modal'
.NET 7
Likes: 23
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HTTP Dot Net Core 2.2 Error 500.30 - ANCM In-Proce
.NET 7
Likes 111
Views 2971
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HTTP Dot Net Core 2.2 Error 500.30 - ANCM In-Process Start Failure
.NET 7
Likes: 111
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Asp.Net Core MVC Razor View Form not posting data
.NET 7
Likes 75
Views 250
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Asp.Net Core MVC Razor View Form not posting data to the Server-Side
.NET 7
Likes: 75
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OverflowException: Value was either too large or t
.NET 7
Likes 26
Views 0
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OverflowException: Value was either too large or too small for an Int32
.NET 7
Likes: 26
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The instance of entity type 'IdentityUserLogin<str
TECHNOLOGY
Likes 104
Views 1109
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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
Likes: 104
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Cassandra Entity Framework Error "TypeLoadExceptio
QUESTIONS
Likes 51
Views 0
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Cassandra Entity Framework Error "TypeLoadException: Method 'GenerateScript' in type"
QUESTIONS
Likes: 51
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There is no remote user 'distributor_admin' mapped
SQL
Likes 24
Views 0
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There is no remote user 'distributor_admin' mapped to local user '(null)' from the remote server 'repl_distributor'.
SQL
Likes: 24
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Excel Programming
TECHNOLOGY
Likes 85
Views 358
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Excel Programming
TECHNOLOGY
Likes: 85
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Understanding Sequences in Transact-SQL (SQL Study
SQL
Likes 82
Views 478
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Understanding Sequences in Transact-SQL (SQL Study Material)
SQL
Likes: 82
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SQL Server Tips and Tricks
SQL
Likes 43
Views 0
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SQL Server Tips and Tricks
SQL
Likes: 43
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[Solved] Entity Framework Core (EF 6) Error: Unabl
ENTITY FRAMEWORK
Likes 81
Views 593
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[Solved] Entity Framework Core (EF 6) Error: Unable to track an entity of type 'YourModalName' because primary key property 'id' is null.
ENTITY FRAMEWORK
Likes: 81
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Asp.Net 5 Development Notes (DotNet Core 3.1 Study
SOFTWARE DEVELOPMENT
Likes 61
Views 423
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Asp.Net 5 Development Notes (DotNet Core 3.1 Study Notes)
SOFTWARE DEVELOPMENT
Likes: 61
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Asp.Net Core EF Core Error: Cannot access a dispos
ENTITY FRAMEWORK
Likes 94
Views 3944
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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
Likes: 94
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How to provide default values to an ASP.Net Core D
.NET 7
Likes 85
Views 321
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How to provide default values to an ASP.Net Core DropDownList MVC
.NET 7
Likes: 85
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How to get another User Claims or Add User to a Ro
.NET 7
Likes 20
Views 0
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How to get another User Claims or Add User to a Role in Asp.Net Core Application
.NET 7
Likes: 20
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How to send JSON data in HTTP Request Body to a do
DATABASES
Likes 94
Views 1409
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How to send JSON data in HTTP Request Body to a dot net core Web API using Postman
DATABASES
Likes: 94
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[Solved] System.InvalidOperationException: 'Unable
QUESTIONS
Likes 82
Views 578
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[Solved] System.InvalidOperationException: 'Unable to track an entity of type 'EntityName' because its primary key property 'Id' is null
QUESTIONS
Likes: 82
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