May 2024

.net core api creation isuess &fixes | System.InvalidOperationException: Unable to resolve service for type

Website Development, Dotnet API Development, Server Development, Web Development / /

Error: response status is 500 Response body Download System.InvalidOperationException: Unable to resolve service for type ‘Crowdrob.BAL.Interfaces.IOrderItemsService’ while attempting to activate ‘Crowdrob.API.Controllers.OrderItemsController’. at Microsoft.Extensions.DependencyInjection.ActivatorUtilities.ThrowHelperUnableToResolveService(Type type, Type requiredBy) at lambda_method10(Closure, IServiceProvider, Object[]) at Microsoft.AspNetCore.Mvc.Controllers.ControllerFactoryProvider.<>c__DisplayClass6_0.<CreateControllerFactory>g__CreateController|0(ControllerContext controllerContext) Solutions: Issues coming because you forgot to add the services into the program.cs file: builder.Services.AddScoped<IOrderItemsService, OrderItemsService>(); builder.Services.AddScoped<IPaymentService, PaymentService>();   Issues: Cannot insert […]

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Asp.net core mvc code first approach migration issues & fixes| failed executing DbCommand| LTER TABLE DROP COLUMN failed | Cannot find the object “tablename” because it does not exist

Web Development, Server Development / /

Issues: Failed executing DbCommand (68ms) [Parameters=[], CommandType=’Text’, CommandTimeout=’30’] DECLARE @var0 sysname; SELECT @var0 = [d].[name] FROM [sys].[default_constraints] [d] INNER JOIN [sys].[columns] [c] ON [d].[parent_column_id] = [c].[column_id] AND [d].[parent_object_id] = [c].[object_id] WHERE ([d].[parent_object_id] = OBJECT_ID(N'[tblOrders]’) AND [c].[name] = N’Id’); IF @var0 IS NOT NULL EXEC(N’ALTER TABLE [tblOrders] DROP CONSTRAINT [‘ + @var0 + ‘];’); ALTER TABLE

Asp.net core mvc code first approach migration issues & fixes| failed executing DbCommand| LTER TABLE DROP COLUMN failed | Cannot find the object “tablename” because it does not exist Read More »

502 bad gateway nginx | .NET location: /usr/share/dotnet No frameworks were found

Web Development / /

You must install or update .NET to run this application. Architecture: x64 Framework: ‘Microsoft.AspNetCore.App’, version ‘8.0.0’ (x64) .NET location: /usr/share/dotnet No frameworks were found. Learn about framework resolution: https://aka.ms/dotnet/app-launch-failed Solution: Steps1: sudo apt remove dotnet* sudo apt remove aspnetcore* sudo apt remove netstandard* sudo rm /etc/apt/sources.list.d/microsoft-prod.list sudo apt update sudo apt install dotnet-sdk-8.0 Step2:  

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Top Website Builders to Help You Make Your Own Website

App Development, Web Development, Website Development / /

In today’s digital age, having a professional website is crucial for any business or individual looking to establish an online presence. With the numerous website builders available, it can be overwhelming to choose the right one for your needs. In this article, we will explore the top website builders that can help you create your

Top Website Builders to Help You Make Your Own Website Read More »

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