✅ How to automate update-database
I am bilding a Web server but i have to typ in update-database how can i automate this in Blazor in the Program.cs file.
Im srry i cant be more specific because im new in this kind of stuff.
The tutorial i watch is just outdated the code changed a bit.
Tanks for your time and helping.
In the tutorial https://www.youtube.com/watch?v=JeLnR_ObHd8&t=4624s on 1:16:57 - 1:17:17
and i have the most recent Version of Microsoft Visual Studio if u also have it and it looks like that:
var app = builder.Build();
// Configure the HTTP request pipeline.
if (app.Environment.IsDevelopment())
{
app.UseMigrationsEndPoint();
}
else
{
app.UseExceptionHandler("/Error");
app.UseHsts();
}
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17 Replies
if you get an instance of your dbcontext you can call
dbContext.Database.Migrate()
i wanna updat sql datenbanken
databanks
the method i suggested does the same thing as update-database
if u know where i have to put it because as u wrote i cant put it in the Program.cs file
how can i put code in this extra blackish window on discord
$codegif
this is how the program.cs looks like
should be roughly that, i typed it in discord so no compiler checking
you need a service scope because
.AddDbContext
registers the dbcontext as a scoped service
an alternative is .AddDbContextFactory
and using IDbContextFactory<ApplicationDbContext>
"IServiceScope" has no definition for "GetRequiredService", and the overload of the optimal extension method "ServiceProviderServiceExtensions.GetRequiredService<ApplicationDbContext>(IServiceProvider)" needs a receiver of the typ "System.IServiceProvider".
corrected
what now
use the updated code
i edited the message
oh thank u it now at least works. I dont know if it does what I want but 🫨 . I hope I didn´t distract u with my silly question.
it does do what you want
you want to do
update-database
but in code right?
this will apply migrations automatically when your app startsje so when i take it online it does it automaticly