playing with dotnet core 50 - dataStorage17 AddDbContext AddDbContextPool for dependency injection

Channel:
Singapore Theo Ong Science and Engineering
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Published on ● Video Link: https://www.youtube.com/watch?v=iCDXxqr2JCQ


Duration: 45:26
106 views
1

------------------ Useful Links ------------------------------------
Credits to Kudvenkat PragimTech
https://www.youtube.com/watch?v=qJmEI2LtXIY&list=PL6n9fhu94yhVkdrusLaQsfERmL_Jh4XmU&index=49

C# does not support multiple base or parent class inheritance
https://www.geeksforgeeks.org/c-sharp-multiple-inheritance-using-interfaces/

DbContextOptionsBuilder
https://docs.microsoft.com/en-us/dotnet/api/microsoft.entityframeworkcore.dbcontextoptionsbuilder?view=efcore-6.0

AddDbContextPool Method
https://docs.microsoft.com/en-us/dotnet/api/microsoft.extensions.dependencyinjection.entityframeworkservicecollectionextensions.adddbcontextpool?view=efcore-6.0

AddDbContext and AddDbContextPool source code
https://github.com/dotnet/efcore/blob/main/src/EFCore/Extensions/EntityFrameworkServiceCollectionExtensions.cs

Action Delegate
https://docs.microsoft.com/en-us/dotnet/api/system.action-1?view=net-6.0

What are delegates
https://docs.microsoft.com/en-us/dotnet/csharp/programming-guide/delegates/

Delegates in C# - A practical demonstration, including Action and Func (IAmTimCorrey)
https://www.youtube.com/watch?v=R8Blt5c-Vi4

Lambda Expressions
https://docs.microsoft.com/en-us/dotnet/csharp/language-reference/operators/lambda-expressions


------------------ Video Sections --------------------------------
Chapters:
0:00 Introduction
1:01 AddScoped vs AddDbContext
2:37 making a new AppDbContext class for AddDbContext
5:43 making a constructor that takes in DbContextOptions
9:27 C# does not support multiple inheritance, so the base keyword only refers to its one parent class
11:18 reiterating what the constructor does
13:55 builder.Services.AddDbContext in Program.cs
15:00 AddDbContext vs AddDbContextPool
20:00 syntax for AddDbContext
20:42 what is the input in AddDbContext?
21:48 Actions and Delegates, a brief discussion
26:15 How action delegates are used as input types in AddDbContext
34:04 the input for AppDbContext is a method (function) which takes in DbContextOptionsBuilder
36:40 Adding MariaDb configuration data in Program.cs
37:13 more debugging with namespaces
39:08 Back to Adding MariaDb configuration data in Program.cs
40:28 one more debug with typing string connectionString
43:00 leaving the AddDbContextPool syntax for your reference
44:30 Conclusion

---------------------[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



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