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InvalidOperationException: There is no ViewData it

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

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InvalidOperationException: <ClassName xmlns='http://tempuri.org/'/> was not expected

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An unhandled exception occurred while processing t

.NET 6
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An unhandled exception occurred while processing the request "The view 'ViewName' was not found. The following locations were searched"

.NET 6
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How to get a base url for Asp.Net Core Application

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How to get a base url for Asp.Net Core Application in the Razor View Page

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[Solved] Entity Framework Core Asp.Net Core 3.1 Er

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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

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How to Format a String to a Two Decimal Places in

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How to Format a String to a Two Decimal Places in ASP.NET Core 3.1 MVC View ()

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Asp.Net Core Error: InvalidOperationException: The

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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'.

TECHNOLOGY
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Razor MVC Error : An Expression Tree may not conta

.NET 6
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Razor MVC Error : An Expression Tree may not contain a dynamic operation

.NET 6
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Solved!! Dot Net Core 3.1 Error: Inspecting the st

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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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Asp.Net Core 3.1 Error The 'inject' directive exp

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Asp.Net Core 3.1 Error The 'inject' directive expects an identifier

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InvalidOperationException: A view component named

.NET 6
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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'

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Asp.Net Core 3.1 Razor View Error: CS1963: An expr

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Asp.Net Core 3.1 Razor View Error: CS1963: An expression tree may not contain a dynamic operation

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[AspNet 5 Entity Framework 6 Error] InvalidOperati

.NET 5
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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 5
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Bootstrap Card Header not sticking to the top

TECHNOLOGY
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Bootstrap Card Header not sticking to the top

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System.InvalidOperationException: The view 'Index'

.NET 6
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System.InvalidOperationException: The view 'Index' was not found. The following locations were searched

.NET 6
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Asp.Net Core MVC Razor View Form not posting data

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

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Web Performance Optimization- II - DEV Community

EXTERNAL
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Web Performance Optimization- II - DEV Community

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ObjectDisposedException: Cannot access a disposed

.NET 6
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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 6
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Vmware ESXI 6.2 How to Mount a USB Storage to vmwa

HARDWARE
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Vmware ESXI 6.2 How to Mount a USB Storage to vmware esxi host

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How to use Microsoft Signalr C# Client in Asp.Net

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How to use Microsoft Signalr C# Client in Asp.Net Core 31 (Error: WithUrl() not found in Core 3 client)

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AspNet MVC ViewData Error: InvalidOperationExcepti

QUESTIONS
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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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The 'Microsoft.AspNetCore.Mvc.ViewFeature.Infrastr

.NET 6
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The 'Microsoft.AspNetCore.Mvc.ViewFeature.Infrastructure.DefaultTempDataSerializer' cannot serialize an object of type 'System.Decimal'

.NET 6
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Error unprotecting the session cookie

QUESTIONS
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Error unprotecting the session cookie

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Asp.Net MVC Development Notes

TECHNOLOGY
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Asp.Net MVC Development Notes

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Docker on Windows Error "A fatal error was encount

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

DOCKER
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ASP.Net Core 2.2 Razor View Routing for Partial Vi

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ASP.Net Core 2.2 Razor View Routing for Partial View not working

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Entity Framework Core Error: To change the IDENTIT

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

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private protected Functions used for Event Handler

.NET 5
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private protected Functions used for Event Handler in C-Sharp (code execution hangs in an Event Handler)

.NET 5
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Event Viewer cannot open the event log or custom v

QUESTIONS
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Event Viewer cannot open the event log or custom view. Verify that Event Log service is running or query is too long.

QUESTIONS
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RuntimeBinderException: The best overloaded method

TECHNOLOGY
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RuntimeBinderException: The best overloaded method match for 'Microsoft.AspNetCore.DataProtection.IDataProtector.Protect(byte[])' has some invalid arguments

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[Solved IIS Error] The request filtering module is

.NET 5
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[Solved IIS Error] The request filtering module is configured to deny a request that contains a double escape sequence

.NET 5
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[Solved IIS Error] The request filtering module is

.NET 5
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[Solved IIS Error] The request filtering module is configured to deny a request that contains a double escape sequence

.NET 5
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Remote .NET Developer Opportunity!

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Remote .NET Developer Opportunity!

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Why is dotnet watch run not showing changes in the

.NET 6
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Why is dotnet watch run not showing changes in the View or Razor Pages

.NET 6
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JsonException: The JSON value could not be convert

.NET 6
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JsonException: The JSON value could not be converted to System.Boolean. Path: $[0].IsLiveArticle | LineNumber: 0 | BytePositionInLine: 878.

.NET 6
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C#.NET Developer (Levels 1-3)

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C#.NET Developer (Levels 1-3)

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

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

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C#.NET Developer 3

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C#.NET Developer 3

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

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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

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Software Development Good Practices

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Software Development Good Practices

.NET 5
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Sql Server Error: Unable to modify table. The co

TECHNOLOGY
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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

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equivalent of bit data type in C#

.NET 6
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equivalent of bit data type in C#

.NET 6
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An error occurred during the compilation of a reso

.NET 6
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An error occurred during the compilation of a resource required to process this request. Please review the following specific error details and modify your source code appropriately

.NET 6
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Docker-compose Error: ERROR: Couldn't connect to D

TECHNOLOGY
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Docker-compose Error: ERROR: Couldn't connect to Docker daemon at http+docker [If it's at a non-standard location, specify the URL with the DOCKER_HOST environment variable]

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How to Bind a CheckBox data to a Model Integer Pro

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How to Bind a CheckBox data to a Model Integer Property in DotNet Core 2.2

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A Software Developer Worst Nightmare (Double Posti

.NET 6
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A Software Developer Worst Nightmare (Double Posting Back to the Server)

.NET 6
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Microsoft.CSharp.RuntimeBinder.RuntimeBinderExcept

.NET 6
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Microsoft.CSharp.RuntimeBinder.RuntimeBinderException: 'The call is ambiguous between the following methods or properties'

.NET 6
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InvalidOperationException: There is no ViewData it

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

yaml.parser.ParserError: while parsing a block map

yaml.parser.ParserError: while parsing a block mapping

Required: Fix ePub and resubmit

Required: Fix ePub and resubmit

How to get localized string from ASP.NET Core Cont

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

InvalidOperationException: <ClassName xmlns='http:

InvalidOperationException: <ClassName xmlns='http://tempuri.org/'/> was not expected

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 get a base url for Asp.Net Core Application

How to get a base url for Asp.Net Core Application in the Razor View Page

[Solved] Entity Framework Core Asp.Net Core 3.1 Er

[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

How to Format a String to a Two Decimal Places in

How to Format a String to a Two Decimal Places in ASP.NET Core 3.1 MVC View ()

Asp.Net Core Error: InvalidOperationException: The

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'.

Razor MVC Error : An Expression Tree may not conta

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

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

Asp.Net Core 3.1 Error The 'inject' directive exp

Asp.Net Core 3.1 Error The 'inject' directive expects an identifier

InvalidOperationException: A view component named

Asp.Net Core 3.1 Razor View Error: CS1963: An expr

Asp.Net Core 3.1 Razor View Error: CS1963: An expression tree may not contain a dynamic operation

[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.

Bootstrap Card Header not sticking to the top

Bootstrap Card Header not sticking to the top

System.InvalidOperationException: The view 'Index'

System.InvalidOperationException: The view 'Index' was not found. The following locations were searched

Asp.Net Core MVC Razor View Form not posting data

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

Web Performance Optimization- II - DEV Community

Web Performance Optimization- II - DEV Community

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

Vmware ESXI 6.2 How to Mount a USB Storage to vmwa

Vmware ESXI 6.2 How to Mount a USB Storage to vmware esxi host

How to use Microsoft Signalr C# Client in Asp.Net

How to use Microsoft Signalr C# Client in Asp.Net Core 31 (Error: WithUrl() not found in Core 3 client)

AspNet MVC ViewData Error: InvalidOperationExcepti

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

The 'Microsoft.AspNetCore.Mvc.ViewFeature.Infrastr

The 'Microsoft.AspNetCore.Mvc.ViewFeature.Infrastructure.DefaultTempDataSerializer' cannot serialize an object of type 'System.Decimal'

Error unprotecting the session cookie

Error unprotecting the session cookie

Asp.Net MVC Development Notes

Asp.Net MVC Development Notes

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 2.2 Razor View Routing for Partial Vi

ASP.Net Core 2.2 Razor View Routing for Partial View not working

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

private protected Functions used for Event Handler

private protected Functions used for Event Handler in C-Sharp (code execution hangs in an Event Handler)

Event Viewer cannot open the event log or custom v

Event Viewer cannot open the event log or custom view. Verify that Event Log service is running or query is too long.

RuntimeBinderException: The best overloaded method

RuntimeBinderException: The best overloaded method match for 'Microsoft.AspNetCore.DataProtection.IDataProtector.Protect(byte[])' has some invalid arguments

[Solved IIS Error] The request filtering module is

[Solved IIS Error] The request filtering module is configured to deny a request that contains a double escape sequence

[Solved IIS Error] The request filtering module is

[Solved IIS Error] The request filtering module is configured to deny a request that contains a double escape sequence

Remote .NET Developer Opportunity!

Remote .NET Developer Opportunity!

Why is dotnet watch run not showing changes in the

Why is dotnet watch run not showing changes in the View or Razor Pages

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.

C#.NET Developer (Levels 1-3)

C#.NET Developer (Levels 1-3)

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

C#.NET Developer 3