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1. stackoverflow.com › questions › 29110241c# - How do you configure the DbContext when creating Migrations...

   stackoverflow.com › questions › 29110241

   18 mar 2015 · Entity Framework Core supports dependency injection for DbContext subclasses. This mechanism includes allowing for configuration of data access outside of of the DbContext. For example, the following would configure EF to persist to a SQL server using a connection string retrieved from config.json.

2. learn.microsoft.com › 1689899 › unable-to-create-a-dbcontext-error-when-using-ef-cUnable to create a DbContext' Error when Using EF Core in .NET 8...

   learn.microsoft.com › 1689899 › unable-to-create-a-dbcontext-error-when-using-ef-c

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   31 maj 2024 · The error is complaining about not being able to find the DbContext options. It could be the startup (main) project is not selected. The main project has the DBContext registration and configuration.

3. learn.microsoft.com › en-us › efDbContext Lifetime, Configuration, and Initialization - EF Core

   learn.microsoft.com › en-us › ef

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   DbContext instances can be constructed with new in C#. Configuration can be performed by overriding the OnConfiguring method, or by passing options to the constructor. For example:

4. learn.microsoft.com › pl-pl › efDbContext — okres istnienia, konfiguracja i inicjowanie — EF Core

   learn.microsoft.com › pl-pl › ef

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   24 sie 2023 · Wystąpienia DbContext można tworzyć w normalny sposób platformy .NET, na przykład przy użyciu polecenia new w języku C#. Konfigurację można wykonać przez zastąpienie metody OnConfiguring lub przekazanie opcji do konstruktora.

5. www.koskila.net › fixing-no-database-provider-has-been-configured-for-this-dHow to fix "No database provider has been configured for this...

   www.koskila.net › fixing-no-database-provider-has-been-configured-for-this-d

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   4 kwi 2024 · Encountering ‘No database provider has been configured for this DbContext’ in EF Core can be daunting. This article guides through the resolution process, offering practical steps to overcome initial migration hurdles and set up a new project effectively.

6. github.com › dotnet › efcoreError EF 8 : Unable to create a 'DbContext' of type ''. #33556 - ...

   github.com › dotnet › efcore

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   17 kwi 2024 · Unable to create a 'DbContext' of type ''. The exception 'Object reference not set to an instance of an object.' was thrown while attempting to create an instance. For the different patterns supported at design time, see https://go.microsoft.com/fwlink/?linkid=851728.

7. davecallan.com › unable-to-resolve-service-for-type-microsoftFix the ‘Unable to resolve service for type Microsoft ...

   davecallan.com › unable-to-resolve-service-for-type-microsoft

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   25 mar 2021 · To fix this we can amend the scaffolded controllers to create a DbContext instance directly in their constructors but the better way is to simply register the EFContext as a service in the Startup.cs -> ConfigureServices method. We can do this by calling the AddDbContext method as shown below…