playing with dotnet core 47 - dataStorage14 implmentation of CRUD create drop APIs and debugging

Channel:
Singapore Theo Ong Science and Engineering
Subscribers:
9,750
Published on ● Video Link: https://www.youtube.com/watch?v=2oK8VGg4TaI


Duration: 36:25
21 views
1

We implemented
updateComponent using :

var entityAttached = AppDbContext.DbSet.Attach(entity);
entityAttached.State = Microsoft.EntityFrameworkCore.EntityState.Modified;
AppdbContext.SaveChanges();


------------------ Useful Links ------------------------------------
Giving Credit to Kudvenkat pragim tech
https://www.youtube.com/watch?v=qJmEI2LtXIY&list=PL6n9fhu94yhVkdrusLaQsfERmL_Jh4XmU&index=50


DbSet Attach Method
https://docs.microsoft.com/en-us/dotnet/api/system.data.entity.dbset-1.attach?view=entity-framework-6.2.0#system-data-entity-dbset-1-attach(-0)

DbContext.SaveChanges()
https://docs.microsoft.com/en-us/dotnet/api/microsoft.entityframeworkcore.dbcontext.savechanges?view=efcore-6.0#microsoft-entityframeworkcore-dbcontext-savechanges

DbContext.Database.EnsureCreated()
https://docs.microsoft.com/en-us/ef/core/managing-schemas/ensure-created



------------------ Video Sections --------------------------------
Chapters:
0:00 introduction
0:21 clearAll implementation
5:00 updateComponent implementation
11:10 Dependency Injection for ComponentRepoMariaDb and then injecting ComponentRepoMariaDb
16:13 we need to create our database first
18:23 we normally create databases and tables using migrations, but it's more complex
21:40 creating and deleting databases without migrations, creating and dropping APIs
22:16 using create and drop APIs for database creation
34:16 duplicate primaryKey bug

---------------------[Playlists and Relevant Github Repositories]----------------------------------------------

Fluid Mechanics and Git Repos:
https://www.youtube.com/playlist?list=PLhPfNw4V4_YSmdAXc6J0XOSQ1b27qsMGt
https://github.com/theodoreOnzGit/OpenFoam_heatTrf_YouTube

Petroleum Downstream Crash Course Playlist:
https://www.youtube.com/playlist?list=PLhPfNw4V4_YQ13CnhacUqEVk-tZlU4ISE

OpenFOAM for Windows 10 Beginner Playlist and some Git Repos
https://www.youtube.com/playlist?list=PLhPfNw4V4_YRhBU4IqSaToQ8_X543YQsZ
https://github.com/theodoreOnzGit/laminar_BL_OpenFOAM

OpenFOAM Intermediate Playlist and some Git Repos
https://www.youtube.com/playlist?list=PLhPfNw4V4_YSpWX6mSOlwWEOKVa6i_iuE
https://github.com/theodoreOnzGit/thin_pipeflow_snappyHexMesh

OpenFOAM Heat Transfer Playlist and GitHub Repo
https://www.youtube.com/playlist?list=PLhPfNw4V4_YR2Qa3Q9-AzNSF2J9Dc4_qT
https://github.com/theodoreOnzGit/OpenFoam_heatTrf_YouTube

Radiation Heat Transfer Learning Journal and Git Repos:
https://www.youtube.com/watch?v=uUzh9kh-WTo&list=PLhPfNw4V4_YRUUVUydQp-n6U-7uu1kJof
https://github.com/theodoreOnzGit/heatTransferTheory_YouTube

Convection Boundary Layer and git Repos:
https://www.youtube.com/playlist?list=PLhPfNw4V4_YR9pRBpp101Mkuds49vjQ63
https://github.com/theodoreOnzGit/heatTransferTheory_YouTube

Turbulence Modelling Playlist
https://www.youtube.com/watch?v=F_Rxv9uMM3g&list=PLhPfNw4V4_YSnbYkJIBQ1kRN06Mmxe2Be
https://github.com/theodoreOnzGit/turbulenceModelling

LabView Frequency Analysis and Fun (playlist and git repo)
https://www.youtube.com/playlist?list=PLhPfNw4V4_YQYE7XqTisMBkpm7gqNS_nl
https://github.com/theodoreOnzGit/Ted_labview_YouTube

Control Systems and Frequency Response
https://www.youtube.com/watch?v=qHY6y7JmB2U&list=PLhPfNw4V4_YRUuWnrtClovPKxU_gJOXH-
https://github.com/theodoreOnzGit/matlabFrequencyResponse.git

OpenFOAM C++
https://github.com/theodoreOnzGit/C-_YouTube_OpenFoam
https://www.youtube.com/playlist?list=PLhPfNw4V4_YT9OgqS7ZPlot_Ucxzc6pQJ

OpenFOAM Bash
https://github.com/theodoreOnzGit/Bash_OpenFOAM_YouTube
https://www.youtube.com/playlist?list=PLhPfNw4V4_YT5zjBhfj5Hj4r4D5eXilcU

Basic Samba
https://www.youtube.com/playlist?list=PLhPfNw4V4_YQuWJLufBUpNplitReZX0fB
https://github.com/theodoreOnzGit/sambaVideos

Manjaro Tips and Tricks
https://www.youtube.com/playlist?list=PLhPfNw4V4_YQuyXBfJxAvzHJTl0UiWx3h

lammps and Discrete Element Modelling (DEM)
https://www.youtube.com/playlist?list=PLhPfNw4V4_YTdRlnLiu2OUXeTf5ZNVQ9E

playing with dotnet core
https://www.youtube.com/playlist?list=PLhPfNw4V4_YQSTR8sqz0aRVzWlQBq3QUw
dotnet core github repo
https://github.com/theodoreOnzGit/dotnetCoreYoutube



Other Videos By Theo Ong Science and Engineering


2022-04-12playing with dotnet core 57 - vb libraries and F# libraries using dotnet CLI
2022-04-12playing with dotnet core 56 - dropdown list for inputs html select
2022-04-12playing with dotnet core 55 - making tables look nicer with bootstrap for razor pages
2022-04-11playing with dotnet core 53 - dataStorage20 using dotnet ef migrations to add a new column to databa
2022-04-11playing with dotnet core 54 - dataStorage21 updateMethod debugging and understanding change tracking
2022-04-11playing with dotnet core 52 - dataStorage19 using dotnet ef migrations to create MariaDb databases
2022-04-11playing with dotnet core 51 - dataStorage18 Setting up repository using AddDbContext Dependency inje
2022-04-08playing with dotnet core 50 - dataStorage17 AddDbContext AddDbContextPool for dependency injection
2022-04-08playing with dotnet core 49 - dataStorage16 mySql connectionReuse error my guess of the bug cause
2022-04-08playing with dotnet core 48 - dataStorage15 debugging duplicate key ID errors in EFCore
2022-04-08playing with dotnet core 47 - dataStorage14 implmentation of CRUD create drop APIs and debugging
2022-04-07playing with dotnet core 46 - dataStorage13 Implementing MariaDb Repository Methods
2022-04-07playing with dotnet core 45 - dataStorage12 Configuring MariaDb ServerVersion and Connection String
2022-04-07playing with dotnet core 44 - dataStorage11 configuring AppDbContext based on MariaDbServerVersion
2022-04-07playing with dotnet core 43 - dataStorage10 going thru documentation of DbContext family of classes
2022-04-07playing with dotnet core 42 - dataStorage9 introduction to EFCore and dBContext family of classes
2022-04-06playing with dotnet core 41 - dataStorage8 testing delete and update operations for Repository RAM
2022-04-06playing with dotnet core 40 - dataStorage7 testing Repository RAM Implementation
2022-04-06playing with dotnet core 39 - dataStorage6 implementing a RAM repository interface
2022-04-06playing with dotnet core 38 - dataStorage5 debugging the form and adding a repository interface
2022-04-06playing with dotnet core 37 - dataStorage4 adding forms for user input (and some bugs)


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