Techstrology

ASP.NET Core, C#, Code Quality

What is auto-mapper and how to use it in asp.net core?.

Solution This article is the continuation of the How to create asp.net core API’s article, So I highly encourage you to see the article understand the source code file structure of the project. This article is for how to configure…

ASP.NET Core, C#

[Solved] The JSON value could not be converted to Microsoft.AspNetCore.JsonPatch.JsonPatchDocument in asp.net core 3.0 Http patch

I highly recommend you to install Microsoft.AspNetCore.MVC.NewtonsoftJson 3.1.10v to install the below package to the ap.net core web API project If you are working with .net core 3.1v. We will face some issues if we install the latest NewtonsoftJson package to the application

Shivaraju M
October 16, 2021

ASP.NET Core, C#, Visual Studio

[Solved] Package restore failed. Rolling back package changes in visual studio 2019

After I cleared the cache, I was able to download the NuGet package API into my asp.net core project.

Shivaraju M
October 16, 2021
2

ASP.NET Core, C#

[Solved] Package restore failed. Rolling back package changes for ‘Solution name’ Microsoft.AspNetCore.Mvc.NewtonsoftJson 5.0 to .NET Core 3.1

for asp.net core 3.1 version apps, It looks compatibility issue, because the latest NewtonsoftJson 5.0.1 is not compatible with netcoreapp 3.1

Shivaraju M
October 16, 2021

JavaScript, React

[Solved] Expected an assignment or function call and instead saw an expression no-unused-expressions in reactJS

Arrow functions occasionally needed return so, I Put your opened bracket on the same line after => lamda expression, and return JSX syntax directly...

Shivaraju M
October 10, 2021

.Net, ASP.NET Core, C#

[Solved] InvalidOperationException: Unable to resolve service for type ‘AutoMapper.IMapper’ while attempting to activate ‘Controller’. in asp.net core web Api

AutoMapper is an object-object mapper. to configure the auto-mapper asp.net core mvc or APIs, add ConfigureServices() method of the Service class.

Shivaraju M
October 8, 2021

ASP.NET Core, C#

[Solved] ‘IServiceCollection’ does not contain a definition for ‘AddAutoMapper’ and no accessible extension method ‘AddAutoMapper’ accepting a first argument of type ‘IServiceCollection’ could be found (are you missing a using directive or an assembly reference?)

After adding install-Package AutoMapper.Extensions.Microsoft.DependencyInjection -Version 8.1.1 to the default project error has been solved.

Shivaraju M
October 8, 2021
1

.Net, ASP.NET, ASP.NET Core, C#, Entity Framework, SQL Server, Visual Studio

How to create Insert (Post), Read(Get), Patch(Update) and Delete ASP.NET Core API using Entity framework core and SQL Server as a database?

Procedure to create repository pattern ASP.net core web API get, post, patch, delete operations using Entity framework core and SQL server as database.

ASP.NET Core, Entity Framework

[Solved] InvalidOperationException: The DbContext of type cannot be pooled because it does not have a public constructor accepting a single parameter of type DbContextOptions or has more than one constructor

This issue I encountered when I tried to scaffold database tables to Entity framework core entities in a Asp.Net Core using scaffold-dbcontext.

Angular

[Solved] AppData\Roaming\npm\ng.ps1 cannot be loaded because running scripts is disabled on this system

This error I encountered when I tried to use integrated terminal of visual studio code for executing Angular CLI commands for the first time.