How To

How to use SQL INSERT INTO SELECT Statement

2/19/2024 9:49:46 AM 58

The INSERT INTO SELECT statement in SQL is used to copy data from one table and insert it into another table.

How to drop table if exists in sql server

2/19/2024 8:53:35 AM 59

In SQL Server, you can drop a table if it exists by first checking if the table exists in the database, then dropping it if the existence check returns true.

How to fix Assets file 'project.assets.json' not found

2/18/2024 9:46:31 AM 48

This post shows you how to fix 'Assets file '..\obj\project.assets.json' not found. Run a NuGet package restore to generate this file.

How to fix 'IMvcBuilder' does not contain a definition for 'AddNewtonsoftJson'

2/18/2024 9:45:32 AM 88

This post shows you how to fix 'Error CS1061 'IMvcBuilder' does not contain a definition for 'AddNewtonsoftJson' and no accessible extension method 'AddNewtonsoftJson' accepting a first argument of type 'IMvcBuilder' could be found (are you missing a using directive or an assembly reference?)'

How to fix 'DbContextOptionsBuilder' does not contain a definition for 'UseSqlServer'

2/18/2024 9:44:24 AM 62

This post shows you how to fix 'DbContextOptionsBuilder' does not contain a definition for 'UseSqlServer' and no accessible extension method 'UseSqlServer'.

How to set cookie ValidationInterval in ASP.NET Core

2/18/2024 9:43:21 AM 49

This post shows you How to set cookie ValidationInterval in ASP.NET Core.

How to fix LoginPath not working in ASP.NET Core

2/18/2024 9:42:33 AM 607

This post shows you how to solve 'LoginPath not working in ASP.NET Core'.

How to fix Unable to resolve service for type 'Microsoft.AspNetCore.Identity.UserManager'

2/18/2024 9:40:58 AM 111

This post shows you how to solve System.AggregateException: 'Some services are not able to be constructed'

How to Configure ASP.NET Core Identity password policy

2/18/2024 9:39:53 AM 48

This post shows you 'How to Configure ASP.NET Core Identity password policy require at least one special character, one uppercase letter, one number...etc'

How to fix System.InvalidOperationException: Scheme already exists: Identity.Application

2/18/2024 9:38:04 AM 99

This post shows you how to solve 'System.InvalidOperationException: Scheme already exists: Identity.Application' after identity scaffolding in ASP.NET Core.

How to fix 'InvalidOperationException: No service for type 'Microsoft.AspNetCore.Identity.UserManager

2/18/2024 9:35:35 AM 574

This post show you how to solve 'InvalidOperationException: No service for type 'Microsoft.AspNetCore.Identity.UserManager [Microsoft.AspNetCore.Identity.IdentityUser]' has been registered.' when custom ASP.NET Identity.

How to fix Page Not Refreshing After Changes

2/18/2024 9:33:35 AM 35

This post shows you How to fix .NET Core MVC Page Not Refreshing After Changes.