Solved Solutions to computer programming Errors

An unhandled exception occurred while processing the request: FormatException: The header contains invalid values at index 0

.NET 7
Likes: 75

Read Article

An unhandled exception occurred while processing t

.NET 7
Likes 54 Views 16
Read Article

An unhandled exception occurred while processing the request "The view 'ViewName' was not found. The following locations were searched"

.NET 7
Likes: 54

Read Article

How to update SelectListItem based on Filtered Cat

.NET 7
Likes 67 Views 37
Read Article

How to update SelectListItem based on Filtered Category from another DropDown menu in MVC AspNet 6 Razor Syntax

.NET 7
Likes: 67

Read Article

[Solved]: Asp.Net Core Error 'byte[]' does not co

.NET 7
Likes 77 Views 734
Read Article

[Solved]: Asp.Net Core Error 'byte[]' does not contain a definition for 'CopyToAsync' and no accessible extension method 'CopyToAsync' accepting a first argument of type 'byte[]' could be found (are you missing a using directive or an assembly reference?)

.NET 7
Likes: 77

Read Article

Asp.Net Core MVC Razor View Form not posting data

.NET 7
Likes 83 Views 250
Read Article

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

.NET 7
Likes: 83

Read Article

How to Add Cookies to the Http Response in AspNet

.NET 7
Likes 37 Views 30
Read Article

How to Add Cookies to the Http Response in AspNet 6 MVC

.NET 7
Likes: 37

Read Article

NotSupportedException: Path was not rooted

.NET 7
Likes 61 Views 7
Read Article

NotSupportedException: Path was not rooted

.NET 7
Likes: 61

Read Article

ObjectDisposedException: Cannot access a disposed

.NET 7
Likes 68 Views 0
Read Article

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

.NET 7
Likes: 68

Read Article

[AspNet 6] Using Generic Types in an Interface MVC

QUESTIONS
Likes 54 Views 69
Read Article

[AspNet 6] Using Generic Types in an Interface MVC C-Sharp

QUESTIONS
Likes: 54

Read Article

Mvc authorization attribute not working AspNet 6

.NET 7
Likes 49 Views 4
Read Article

Mvc authorization attribute not working AspNet 6

.NET 7
Likes: 49

Read Article

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

.NET 7
Likes 92 Views 321
Read Article

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

.NET 7
Likes: 92

Read Article

Embedded HTML5 Form in JavaScript Post Method Appe

JAVASCRIPT
Likes 77 Views 128
Read Article

Embedded HTML5 Form in JavaScript Post Method Appends Url to Existing URL (Form Submit Appends URL)

JAVASCRIPT
Likes: 77

Read Article

RuntimeBinderException: 'System.Dynamic.DynamicObj

.NET 7
Likes 37 Views 0
Read Article

RuntimeBinderException: 'System.Dynamic.DynamicObject'does not contain a definition for 'Modal'

.NET 7
Likes: 37

Read Article

AspNet MVC ViewData Error: InvalidOperationExcepti

QUESTIONS
Likes 67 Views 192
Read Article

AspNet MVC ViewData Error: InvalidOperationException: There is no ViewData item of type 'IEnumerable<SelectListItem>' that has key 'Type'

QUESTIONS
Likes: 67

Read Article

[Solved] Asp.Net 5 Error: error RZ2008: Attribute

.NET 7
Likes 87 Views 257
Read Article

[Solved] Asp.Net 5 Error: error RZ2008: Attribute 'asp-for' on tag helper element 'label' requires a value

.NET 7
Likes: 87

Read Article

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

.NET 7
Likes 104 Views 613
Read Article

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

.NET 7
Likes: 104

Read Article

Docker on Raspberry Pi Error .Net Core 3.1 Error:

DOCKER
Likes 119 Views 924
Read Article

Docker on Raspberry Pi Error .Net Core 3.1 Error: standard_init_linux.go:211: exec user process caused "exec format error"

DOCKER
Likes: 119

Read Article

NotSupportedException: Path 'wwwroot myfolder file

.NET 7
Likes 29 Views 0
Read Article

NotSupportedException: Path 'wwwroot myfolder filename.txt' was not rooted

.NET 7
Likes: 29

Read Article

ASP.NET 8 Best Practices: Coding, Performance Tips

.NET 7
Likes 98 Views 368
Read Article

ASP.NET 8 Best Practices: Coding, Performance Tips, and Tricks

.NET 7
Likes: 98

Read Article

Return url is required

.NET 7
Likes 58 Views 0
Read Article

Return url is required

.NET 7
Likes: 58

Read Article

Docker on Windows Error "A fatal error was encount

DOCKER
Likes 80 Views 223
Read Article

Docker on Windows Error "A fatal error was encountered. The library 'libhostpolicy.so' required to execute the application was not found"

DOCKER
Likes: 80

Read Article

Asp.Net Core 3.1 MVC 5 Error ViewBag does not Exis

.NET 7
Likes 90 Views 421
Read Article

Asp.Net Core 3.1 MVC 5 Error ViewBag does not Exist in the Current Context

.NET 7
Likes: 90

Read Article

Web API 415: Unsupported Media Type

TUTORIALS
Likes 27 Views 0
Read Article

Web API 415: Unsupported Media Type

TUTORIALS
Likes: 27

Read Article

Unable to reattach to the process Visual Studio 20

.NET 7
Likes 44 Views 0
Read Article

Unable to reattach to the process Visual Studio 2022

.NET 7
Likes: 44

Read Article

Docker Container AspNet Runtime DateTime is Wrong

DOCKER
Likes 37 Views 0
Read Article

Docker Container AspNet Runtime DateTime is Wrong

DOCKER
Likes: 37

Read Article

The framework 'Microsoft.AspNetCore.App' version'3

DOCKER
Likes 146 Views 1448
Read Article

The framework 'Microsoft.AspNetCore.App' version'3.1.0' was not found

DOCKER
Likes: 146

Read Article

RuntimeBinderException: The best overloaded method

.NET 7
Likes 33 Views 0
Read Article

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

.NET 7
Likes: 33

Read Article

Error The instance of entity type ModalType cannot

.NET 7
Likes 66 Views 372
Read Article

Error The instance of entity type ModalType cannot be tracked because another instance with the key value {id: 7656544} is already being tracked.

.NET 7
Likes: 66

Read Article

The type or namespace name 'IHttpContextAccessor'

.NET 7
Likes 53 Views 0
Read Article

The type or namespace name 'IHttpContextAccessor' could not be found (are you missing a using directive or an assembly reference)

.NET 7
Likes: 53

Read Article

Asp.Net MVC Development Notes

.NET 7
Likes 79 Views 752
Read Article

Asp.Net MVC Development Notes

.NET 7
Likes: 79

Read Article

ASP.Net Core 2.2 MVC Error g.cshtml.cs: The type o

HTML5
Likes 138 Views 5443
Read Article

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: 138

Read Article

How to Use DisplayFor to Display Text from EF Core

.NET 7
Likes 33 Views 0
Read Article

How to Use DisplayFor to Display Text from EF Core Data Annotation in MVC and Components

.NET 7
Likes: 33

Read Article

HTTP Error 500.30 - ASPNET CORE app failed to star

.NET 7
Likes 93 Views 707
Read Article

HTTP Error 500.30 - ASPNET CORE app failed to start

.NET 7
Likes: 93

Read Article

HTTP Dot Net Core 2.2 Error 500.30 - ANCM In-Proce

.NET 7
Likes 119 Views 2971
Read Article

HTTP Dot Net Core 2.2 Error 500.30 - ANCM In-Process Start Failure

.NET 7
Likes: 119

Read Article

Software Development Architecture and Good Practic

SYSTEM DESIGN
Likes 33 Views 0
Read Article

Software Development Architecture and Good Practices

SYSTEM DESIGN
Likes: 33

Read Article

What is Entity Framework Navigation in Asp.Net 6

ENTITY FRAMEWORK
Likes 50 Views 0
Read Article

What is Entity Framework Navigation in Asp.Net 6

ENTITY FRAMEWORK
Likes: 50

Read Article

'IHtmlHelper dynamic' has no applicable method nam

.NET 7
Likes 53 Views 0
Read Article

'IHtmlHelper dynamic' has no applicable method named 'PartialAsync'

.NET 7
Likes: 53

Read Article

How to upgrade Asp.Net 5 Application to Asp.Net 6

.NET 7
Likes 32 Views 0
Read Article

How to upgrade Asp.Net 5 Application to Asp.Net 6 Nuget Packages not upgrading

.NET 7
Likes: 32

Read Article

InvalidOperationException: The 'Microsoft.AspNetCo

QUESTIONS
Likes 64 Views 495
Read Article

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

QUESTIONS
Likes: 64

Read Article

Asp.Net Core GRPC Client Error: the type name "Gre

.NET 7
Likes 91 Views 1098
Read Article

Asp.Net Core GRPC Client Error: the type name "GreeterClient" does not exist in the type Greeter

.NET 7
Likes: 91

Read Article

Should I use Configurer Await False in AspNet 6

.NET 7
Likes 56 Views 0
Read Article

Should I use Configurer Await False in AspNet 6

.NET 7
Likes: 56

Read Article

What is Async Await in AspNet 6 (C-Sharp)

.NET 7
Likes 73 Views 27
Read Article

What is Async Await in AspNet 6 (C-Sharp)

.NET 7
Likes: 73

Read Article

Razor MVC Error : An Expression Tree may not conta

.NET 7
Likes 31 Views 11
Read Article

Razor MVC Error : An Expression Tree may not contain a dynamic operation

.NET 7
Likes: 31

Read Article

InvalidOperationException: A view component named

.NET 7
Likes 28 Views 0
Read Article

InvalidOperationException: A view component named 'NameHere' could not be found. A view component must be a public non-abstract class, not contain any generic parameters, and either be decorated with 'ViewComponentAttribute' or have a class name ending with the 'ViewComponent' suffix. A view component must not be decorated with 'NonViewComponentAttribute'

.NET 7
Likes: 28

Read Article

Failed - Invalid CPU reservation for the latency-s

MVC
Likes 77 Views 0
Read Article

Failed - Invalid CPU reservation for the latency-sensitive VM. Need full CPU reservation: 9936 MHz (measured) or nominal processor frequency

MVC
Likes: 77

Read Article

Application startup exception: System.InvalidOpera

MVC
Likes 84 Views 865
Read Article

Application startup exception: System.InvalidOperationException: Cannot resolve scoped service from root provider

MVC
Likes: 84

Read Article

InvalidOperationException: Cannot override the 'hr

MVC
Likes 31 Views 0
Read Article

InvalidOperationException: Cannot override the 'href' attribute for <a>. An <a> with a specified 'href' must not have attributes starting with 'asp-route-' or an 'asp-action', 'asp-controller', 'asp-area', 'asp-route', 'asp-protocol', 'asp-host', 'asp-fragment', 'asp-page' or 'asp-page-handler' attribute.

MVC
Likes: 31

Read Article

Form Error in AspNet MVC

Best way to create a Form in MVC (aspnet 6)

Best way to create a Form in MVC (aspnet 6)

MVC Form Error "Incorrect Content-Type"

MVC Form Error "Incorrect Content-Type"

InvalidOperationException: Incorrect Content-Type

InvalidOperationException: Incorrect Content-Type

An unhandled exception occurred while processing t

An unhandled exception occurred while processing the request: FormatException: The header contains invalid values at index 0

An unhandled exception occurred while processing t

An unhandled exception occurred while processing the request "The view 'ViewName' was not found. The following locations were searched"

How to update SelectListItem based on Filtered Cat

How to update SelectListItem based on Filtered Category from another DropDown menu in MVC AspNet 6 Razor Syntax

[Solved]: Asp.Net Core Error 'byte[]' does not co

[Solved]: Asp.Net Core Error 'byte[]' does not contain a definition for 'CopyToAsync' and no accessible extension method 'CopyToAsync' accepting a first argument of type 'byte[]' could be found (are you missing a using directive or an assembly reference?)

Asp.Net Core MVC Razor View Form not posting data

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

How to Add Cookies to the Http Response in AspNet

How to Add Cookies to the Http Response in AspNet 6 MVC

NotSupportedException: Path was not rooted

NotSupportedException: Path was not rooted

ObjectDisposedException: Cannot access a disposed

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

[AspNet 6] Using Generic Types in an Interface MVC

[AspNet 6] Using Generic Types in an Interface MVC C-Sharp

Mvc authorization attribute not working AspNet 6

Mvc authorization attribute not working AspNet 6

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

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

Embedded HTML5 Form in JavaScript Post Method Appe

Embedded HTML5 Form in JavaScript Post Method Appends Url to Existing URL (Form Submit Appends URL)

RuntimeBinderException: 'System.Dynamic.DynamicObj

RuntimeBinderException: 'System.Dynamic.DynamicObject'does not contain a definition for 'Modal'

AspNet MVC ViewData Error: InvalidOperationExcepti

AspNet MVC ViewData Error: InvalidOperationException: There is no ViewData item of type 'IEnumerable<SelectListItem>' that has key 'Type'

[Solved] Asp.Net 5 Error: error RZ2008: Attribute

[Solved] Asp.Net 5 Error: error RZ2008: Attribute 'asp-for' on tag helper element 'label' requires a value

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

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

Docker on Raspberry Pi Error .Net Core 3.1 Error:

Docker on Raspberry Pi Error .Net Core 3.1 Error: standard_init_linux.go:211: exec user process caused "exec format error"

NotSupportedException: Path 'wwwroot myfolder file

NotSupportedException: Path 'wwwroot myfolder filename.txt' was not rooted

ASP.NET 8 Best Practices: Coding, Performance Tips

ASP.NET 8 Best Practices: Coding, Performance Tips, and Tricks

Return url is required

Return url is required

Docker on Windows Error "A fatal error was encount

Docker on Windows Error "A fatal error was encountered. The library 'libhostpolicy.so' required to execute the application was not found"

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

Web API 415: Unsupported Media Type

Web API 415: Unsupported Media Type

Unable to reattach to the process Visual Studio 20

Unable to reattach to the process Visual Studio 2022

Docker Container AspNet Runtime DateTime is Wrong

Docker Container AspNet Runtime DateTime is Wrong

The framework 'Microsoft.AspNetCore.App' version'3

The framework 'Microsoft.AspNetCore.App' version'3.1.0' was not found

RuntimeBinderException: The best overloaded method

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

Error The instance of entity type ModalType cannot

Error The instance of entity type ModalType cannot be tracked because another instance with the key value {id: 7656544} is already being tracked.

The type or namespace name 'IHttpContextAccessor'

The type or namespace name 'IHttpContextAccessor' could not be found (are you missing a using directive or an assembly reference)

Asp.Net MVC Development Notes

Asp.Net MVC Development Notes

ASP.Net Core 2.2 MVC Error g.cshtml.cs: The type o

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

How to Use DisplayFor to Display Text from EF Core

How to Use DisplayFor to Display Text from EF Core Data Annotation in MVC and Components

HTTP Error 500.30 - ASPNET CORE app failed to star

HTTP Error 500.30 - ASPNET CORE app failed to start

HTTP Dot Net Core 2.2 Error 500.30 - ANCM In-Proce

HTTP Dot Net Core 2.2 Error 500.30 - ANCM In-Process Start Failure

Software Development Architecture and Good Practic

Software Development Architecture and Good Practices

What is Entity Framework Navigation in Asp.Net 6

What is Entity Framework Navigation in Asp.Net 6

'IHtmlHelper dynamic' has no applicable method nam