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_context.ChangeTracker 'threw an exception of type
.NET 7
Likes 70
Views 300
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_context.ChangeTracker 'threw an exception of type 'System.ObjectDisposedException'
.NET 7
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Entity framework "InvalidCastException: Unable to
.NET 7
Likes 69
Views 171
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Entity framework "InvalidCastException: Unable to cast object of type 'System.Int32' to type 'System.Decimal."
.NET 7
Likes: 69
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System.TypeInitializationException: The type initi
LUNUX
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Views 0
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System.TypeInitializationException: The type initializer for 'Gdip' threw an exception
LUNUX
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An unhandled exception occurred while processing t
.NET 7
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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
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InvalidOperationException: The model item passed i
DATABASES
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Views 3831
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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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InvalidOperationException: The 'Microsoft.AspNetCo
.NET 7
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Views 0
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InvalidOperationException: The 'Microsoft.AspNetCore.Mvc.ViewFeatures.Infrastructure.DefaultTempDataSerializer' cannot serialize an object of type 'System.Collections.Generic.List`1
.NET 7
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[Solved] System.InvalidOperationException: 'Unable
QUESTIONS
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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
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AspNet MVC ViewData Error: InvalidOperationExcepti
QUESTIONS
Likes 67
Views 192
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AspNet MVC ViewData Error: InvalidOperationException: There is no ViewData item of type 'IEnumerable<SelectListItem>' that has key 'Type'
QUESTIONS
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StreamJsonRpc.RemoteInvocationException: Cannot fi
QUESTIONS
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Views 0
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StreamJsonRpc.RemoteInvocationException: Cannot find the old value Parameter name: oldValue
QUESTIONS
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InvalidOperationException: Incorrect Content-Type
MVC
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Views 0
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InvalidOperationException: Incorrect Content-Type
MVC
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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
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Asp.Net 5 Application is losing state when enters
.NET 7
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Views 196
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Asp.Net 5 Application is losing state when enters an Event Handler C-Sharp
.NET 7
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Software Development Refactoring Wisdom I gained t
SOFTWARE DEVELOPMENT
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Views 175
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Software Development Refactoring Wisdom I gained through Reviewing My Own Code
SOFTWARE DEVELOPMENT
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Microsoft.CSharp.RuntimeBinder.RuntimeBinderExcept
.NET 7
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Views 0
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Microsoft.CSharp.RuntimeBinder.RuntimeBinderException: 'The call is ambiguous between the following methods or properties'
.NET 7
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System.ObjectDisposedException: Cannot access a di
OTHER
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Views 177
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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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Asp.Net Core 3.1 Entity Framwork Database Context
.NET 7
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Views 949
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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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iis just in time debugging error
SERVERS
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Views 0
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iis just in time debugging error
SERVERS
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NullReferenceException: Object reference not set t
TECHNOLOGY
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Views 298
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NullReferenceException: Object reference not set to an instance of an object
TECHNOLOGY
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equivalent of bit data type in C#
.NET 7
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Views 8
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equivalent of bit data type in C#
.NET 7
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An Exception occurred in the database while saving
.NET 7
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Views 0
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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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Can't bind the IDataView column ColumnName of type
DATABASES
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Views 1462
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Can't bind the IDataView column ColumnName of type VectorSingle, 2 to field or property AnotherColumnName of type System.Single
DATABASES
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The 'Microsoft.AspNetCore.Mvc.ViewFeature.Infrastr
.NET 7
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Views 0
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The 'Microsoft.AspNetCore.Mvc.ViewFeature.Infrastructure.DefaultTempDataSerializer' cannot serialize an object of type 'System.Decimal'
.NET 7
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InvalidOperationException: An exception was thrown
ENTITY FRAMEWORK
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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 Call a Soap Web Service from Asp.Net Core
.NET 7
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Views 725
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How to Call a Soap Web Service from Asp.Net Core
.NET 7
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[Solved] Machine-Learning Error: The expected type
MACHINE-LEARNING
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Views 343
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[Solved] Machine-Learning Error: The expected type was 'System.Single' but the actual value was of type 'System.Decimal
MACHINE-LEARNING
Likes: 106
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System.InvalidCastException: Unable to cast object
QUESTIONS
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Views 237
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System.InvalidCastException: Unable to cast object of type 'Microsoft.ML.Data.TransformerChain`1[Microsoft.ML.ITransformer]' to type 'Microsoft.ML.Data.TransformerChain`1[Microsoft.ML.Data.RegressionPredictionTransformer`1[Microsoft.ML.Trainers.LinearRegressionModelParameters]]'.
QUESTIONS
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[Solved] cannot apply indexing with [] to an expre
TECHNOLOGY
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Views 1253
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[Solved] cannot apply indexing with [] to an expression of type QueryString
TECHNOLOGY
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InvalidOperationException: The 'Microsoft.AspNetCo
QUESTIONS
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Views 495
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InvalidOperationException: The 'Microsoft.AspNetCore.Mvc.ViewFeatures.Infrastructure.DefaultTempDataSerializer' cannot serialize an object of type 'System.Collections.Generic.List`1
QUESTIONS
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An unhandled exception has occurred while executin
.NET 7
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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
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Asp.Net Core Error: InvalidOperationException: The
.NET 7
Likes 73
Views 1640
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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
Likes: 73
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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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Sql Server Error: Unable to modify table. The co
SQL
Likes 118
Views 363
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Sql Server Error: Unable to modify table. The conversion of a date data type to a datetime data type resulted in an out-of-range value. The statement has been terminated
SQL
Likes: 118
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[Solved] Asp.Net Core C-Sharp Error: IOException:
.NET 7
Likes 69
Views 424
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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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How to Optimize Web Server for Faster Response Tim
TECHNOLOGY
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Views 338
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How to Optimize Web Server for Faster Response Time
TECHNOLOGY
Likes: 74
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ASP.Net Core 2.2 MVC Error g.cshtml.cs: The type o
HTML5
Likes 137
Views 5443
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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
Likes: 137
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[Solved] Entity Framework Core Asp.Net Core 3.1 Er
SQL
Likes 90
Views 1114
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[Solved] Entity Framework Core Asp.Net Core 3.1 Error: SqlException: The conversion of a datetime2 data type to a datetime data type resulted in an out-of-range value. The statement has been terminated
SQL
Likes: 90
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No matching IPassiveHealthCheckPolicy found for th
QUESTIONS
Likes 30
Views 0
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No matching IPassiveHealthCheckPolicy found for the passive health check policy name 'TransportFailureRateHealthPolicy'
QUESTIONS
Likes: 30
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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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[SOLVED!! Entity Framework Error Asp.Net Core 3.1]
.NET 7
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Views 3381
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[SOLVED!! Entity Framework Error Asp.Net Core 3.1] InvalidCastException: Unable to cast object of type 'Microsoft.EntityFrameworkCore.Query.Internal.EntityQueryable`
.NET 7
Likes: 123
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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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C-Sharp 11 Tips and Tricks
RESEARCH
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Views 90
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C-Sharp 11 Tips and Tricks
RESEARCH
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Unhandled exception. System.InvalidOperationExcept
.NET 7
Likes 27
Views 0
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Unhandled exception. System.InvalidOperationException: This platform doesn't support QUIC or HTTP3
.NET 7
Likes: 27
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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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Application startup exception: System.InvalidOpera
MVC
Likes 75
Views 865
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Application startup exception: System.InvalidOperationException: Cannot resolve scoped service from root provider
MVC
Likes: 75
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Solved!! Dot Net Core 3.1 Error: Inspecting the st
DATABASES
Likes 91
Views 2377
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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
DATABASES
Likes: 91
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Unhandled exception. System.DllNotFoundException:
NETWORK
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Views 1207
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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
Likes: 92
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The configured execution strategy 'SlqServerRetryi
.NET 7
Likes 48
Views 0
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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
Likes: 48
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Asp.Net Programming Bad Practices
ALGORITHMS
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Views 0
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Asp.Net Programming Bad Practices
ALGORITHMS
Likes: 29
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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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An Exception was thrown while attempting to evalua
.NET 7
Likes 33
Views 0
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An Exception was thrown while attempting to evaluate the LINQ query parameter expression
.NET 7
Likes: 33
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