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Detailed explanation of how to record and view logs in ASP. NET Core applications, asp. netcore Logging is not only an important feature for our developed applications, but also for the ASP. NET

request that spans multiple actions or multiple service, repository, For example, the most commonly used dbcontext it can be an instance. It can reduce the consumption of instance initialization, and also can realize the function of cross service transaction. (Note: All service with EF is required to be registered as scoped in ASP.)The way to achieve this is to share a scope within the lifetime of the entire reqeust request. Iii. application of Di in

following commands are executed:Remove-migrationNote that this is a migration that has not been applied and can be removed. If you have applied it, you will receive an error messageMigration RollbackThere are times when we need to roll back to a previous migration version. For example, when we deploy, the development version and the stable version must be different.Then we'll use the rollback command.Execute as follows :Update-database here fill in the name of the version that needs to be roll

First Part programming Basics Introduction to ASP. ASP. NET Core Start Introduction to ASP. NET Core MVC Part II basic framework Introduction to

Tags: data-skin env text NIC Tor tracking see for yourselfCreatedata-baseifnotexists, such as the previous API has been deprecated, is now using the Microsoft packaged, simplified, efficient API,migrations Because the old API has to pay a high price, and the limitations Open VS2017, select Tools->nutget Package Manager--Packages Manager console 1. Enter add-migration myfirstmigration instruction The Migrations folders and files are automatically generated based on the current DbContext, which

ASP. NET Core and asp. netcore ASP. net mvc 6: https://docs.asp.net/en/latest/mvc/index.html ASP. NET