EntityFramework Core Migrations | ASP.NET CORE | CLI Migrations | Package Manager Console Migratio

Summary

This video tutorial provides a comprehensive guide to performing migrations in Entity Framework Core using both the CLI and the Package Manager Console within an ASP.NET Core environment. It starts with downloading and installing the .NET EF tool and then moves into practical steps for creating, adding, and updating migrations using specific commands. The tutorial explains how to open the command prompt from the project folder, check syntax, and execute database updates. Furthermore, it includes troubleshooting tips such as checking syntax and understanding the update process. Lastly, it provides a rundown of using the Package Manager Console for migrations, highlighting the simplicity of adding and updating database schemas.

Highlights

• Use the CLI to initiate and manage migrations effectively. ⚡
• Understand the correct syntax to avoid errors. ✅
• Execute updates smoothly using the provided commands. 🔄
• Package Manager Console provides an easy alternative for migration actions. 🎯
• Gain familiarity with troubleshooting common issues. 🛠️

Key Takeaways

• Downloading .NET EF is the first step to starting migrations. 🛠️
• Learn how to create, add, and update migrations using specific CLI commands. 💻
• Troubleshooting tips are provided to rectify common syntax errors. 🚫
• Package Manager Console offers an alternative way for managing migrations. 📦
• Ensures you understand the update process for database changes. 🚀

Overview

Entity Framework (EF) Core makes managing database schemas a breeze with its powerful migration tools. Whether you're just getting started or a seasoned programmer, using the right commands can streamline your workflow significantly. First, download and globally install .NET EF through your CLI. This video takes you through the simple steps to open your command prompt directly from the project folder, ensuring you can create, add, and apply updates smoothly.

The tutorial cleverly dissects common errors, like syntax mismatches, that can halt your migration process. Learn from the clear examples provided to avoid such pitfalls. Each step is outlined, from initiating a migration with 'dotnet EF migrations add' to updating the database. Following along will have you mastering migrations in no time!

Switch over to the Package Manager Console, and even more options open up! The video walks through similar steps within this IDE tool, making it a versatile guide. Adding, updating, or even removing migrations can be quickly handled with a few typed commands. You’ll come away with increased confidence in handling entity framework migrations through whichever method suits your style.

Chapters

• 00:00 - 00:30: Introduction to EF Core The chapter introduces EF Core with a practical guide on how to use migrations in the Entity Framework. It begins with instructions on downloading dotnet EF using the command line interface. The specific command provided is 'dotnet tool install --global dotnet EF version 3.1.3'. The chapter emphasizes that dotnet EF is a global tool and elaborates on the ease of downloading it via the command line. Further instructions are expected to follow regarding utilizing the command prompt effectively.
• 00:30 - 01:00: Opening Command Prompt The chapter titled 'Opening Command Prompt' guides the reader on how to open and use the command prompt for a specific project-related task. It starts by directing the user to navigate to their project folder. Once in the folder, the user is instructed to click on the address bar, type 'CMD', and press enter. This action will open the command prompt window. The chapter then advises the reader to type in the command 'dotnet EF --help', which provides access to examples and additional help on command usages.
• 01:00 - 01:30: Introduction to dotnet EF Tool The chapter introduces the dotnet EF tool, focusing on its options and commands. It briefly mentions that the dotnet EF options include version and help commands, while the main commands are related to database management such as DB context and migrations. A specific emphasis is placed on the syntax for adding migrations, noting that a migration name is required in the command syntax. The reader is advised to verify the correct syntax for adding migrations.
• 01:30 - 03:00: Using dotnet EF Migrations The chapter explains the use of dotnet EF migrations, which involves using the 'dotnet EF' command. Users are advised to refer to the help section if they face issues with the command syntax.
• 03:00 - 04:00: Adding a Migration This chapter covers how to add a migration using dotnet entity framework. It instructs the user to use the command 'dotnet EF migrations --help' to access the help section related to migrations. It provides guidance on checking available migration commands and options, and then directs to the 'add' command for implementing a new migration.
• 04:00 - 05:00: Updating the Database The chapter titled 'Updating the Database' describes the process of adding a migration in Entity Framework using the dotnet command line tool. It explains the syntax and arguments needed to successfully execute a migration, specifically highlighting the 'dotnet EF migrations add' command. The focus is on clarifying how to correctly name and run the migration command.
• 05:00 - 06:00: Verifying Migration in SQL Server The chapter titled 'Verifying Migration in SQL Server' outlines the procedure for adding a migration in a Visual Studio project using .NET. It highlights the correct syntax for this process, which involves the command 'dotnet EF migrations add' followed by the name of the migration. The process begins with the build starting and succeeding, indicating that the migration has been successfully completed using the 'migrations add' command.
• 06:00 - 07:00: Using Package Manager Console for Migrations The chapter discusses the use of the Package Manager Console for handling migrations in a software project. It highlights the command 'dotnet EF', which is essential for managing databases and users. To update the database, the 'update database' command is crucial. The transcript suggests checking the help options available with 'dotnet EF --help' to effectively use these commands.
• 07:00 - 08:00: Conclusion The chapter covers the use of dotnet EF commands for database management. It elaborates on using 'dotnet EF --help database' to check available options and discusses specific commands like 'update' and 'drop'. The focus is on how to apply these commands directly within the .NET framework environment for efficient database management.

EntityFramework Core Migrations | ASP.NET CORE | CLI Migrations | Package Manager Console Migratio Transcription

• 00:00 - 00:30 hello everyone welcome on my channel asp.net for today I am going to show you migration in entity framework or so first of all download dotnet EF using CLI dotnet tool installed - - global dotnet EF version 3.1 point 3 after download the dotnet EF it's a global tool to download it easily by using your command line and after that you can open your command prompt and how to open your
• 00:30 - 01:00 command from - just go to your project folder there is migration tutorial and after in the search bar or sorry in in the address bar just type CMD and enter you got it that screen after pressing the enter button just taken help dotnet EF - - help and the following command and uses is there with the example you
• 01:00 - 01:30 can follow uses that your screen that is not net EF options and command so dotnet EF options is their version health but command is their database TB context and migrations so dotnet EF migrations and the name migrations and add is there but in the migration in the migration ad but migration name is missing in the syntax so just check the syntax of the add
• 01:30 - 02:00 migration command so just again you can take help section again so just a type dotnet EF in it migration that is the direct to think you can do in it migration is it right syntax of the migration I think it is strong so just you can take help if you want to take help how to do add migration command in
• 02:00 - 02:30 dotnet so you can use dotnet EF migration help so just write it migrations and - - help so related to the my raishin you by normal CLI provide a HAMP section and users also check uses dotnet EF migration option and command option is there and command is there that is the ad so again you can write or net EF
• 02:30 - 03:00 migrations and command name that is ad - again have ad how to do ad command in migration that is the right name that is the name of the migration so uses is they are dotnet EF migration ad and the option and argument argument and options so argument is there the name of the migration so just you can write the syntax is dotnet EF migration ad and the
• 03:00 - 03:30 name of the migration is the correct syntax to add migration in your visual studio project in dotnet represents so just write your that is the correct syntax dotnet EF migrations ad and the name of the migration that is in it so build started build succeed so migration is completed at my by using the migrations add migrations command and
• 03:30 - 04:00 you have to use update database command is also there just you have to check database command to manage the database and users is dotnet EF and command so use dotnet EF and command name is database but how to use update database command so just again check it help dotnet EF - - help database how to use
• 04:00 - 04:30 in the.net EF use database there is the following thing is large where you have to check dotnet EF - - help database you can use update the name dotnet t of database and option and comma name is AB drop and database is there so you can apply it directly dotnet EF
• 04:30 - 05:00 database and database command that is update so use dotnet EF database and database command name that is database update so this is the syntax to update your database using CLI so unrecognized command or argument data oops the spelling mistake is here dotnet EF database and the name of the database is a is missing in the spelling of
• 05:00 - 05:30 database so after update the database you have got a physical table in your database in your sequel's server local DB so build started and will succeed and finally done to and check your database using sequel server so just open database command and your Microsoft your
• 05:30 - 06:00 migration example database is there in your sequel server object Explorer and check your init migration under the holder name migration yeah is there and model student app settings database migration example yeah is all things are there and just now how to do migration using package manager console so just you can use gap help section by using
• 06:00 - 06:30 get help you got all these command related to entity framework or if you you are using get help without any thing just got a space just like that server help save help update help about entity framework or so just again type it get help about entity framework or so you just
• 06:30 - 07:00 get information about entity framework or commands like add migrations remove migrations update migrations Sacre's so add migration and the migration name is first before any changes in the model you got two classes both are empty if nothing changes in the model that is up-and-down methods are
• 07:00 - 07:30 empty in the first migration class because here is nothing changes but if you change anything in the model then up section up method and the our overridden up method and overhead and down method is taking some code and statements you can say just after that again at migrations command applied you got a simple syntax add column string email
• 07:30 - 08:00 now after that you got and you have to apply update database command again by using package manager console so just done it so these this is that two way to use migration in entity framework or the first is CLI and the second one is package manager console so thank you guys for watching this video keep watching