Entity Framework Attach/Update confusion (EF Core)
Jun 6, 2018 · In the following example, the entity is obtained by the context, so the context begins tracking it immediately. When you alter property values on a tracked entity, the context …
Differentiation between 'Entity' and 'Table' - Stack Overflow
Jan 29, 2020 · An entity object caches data from a database and provides an object-oriented representation of it. Depending on how you want to work, you can create entity objects from …
How can I retrieve Id of inserted entity using Entity framework?
I have a problem with Entity Framework in ASP.NET. I want to get the Id value whenever I add an object to database. How can I do this? According to Entity Framework the solution is: using …
Entity Framework Core creating model from existing database
With Entity Framework Core, how do you generate the EF model and the entities? According to ASP.NET Core - Existing Database Microsoft article you need to run a command like this one …
rest - 400 vs 422 response to POST of data - Stack Overflow
Ideal Scenario for 422: In an ideal world, 422 is preferred and generally acceptable to send as response if the server understands the content type of the request entity and the syntax of the …
entity framework - EF Migrations: Rollback last applied migration ...
This looks like a really common task, but I can't find an easy way to do it. I want to undo the last applied migration. I would have expected a simple command, like PM> Update-Database -
Raw SQL Query without DbSet - Entity Framework Core
With Entity Framework Core removing dbData.Database.SqlQuery<SomeModel> I can't find a solution to build a raw SQL Query for my full-text search query that will return the tables data …
How do I view the SQL generated by the Entity Framework?
1156 For those using Entity Framework 6 and up (not in EF CORE - see comment below), if you want to view the output SQL in Visual Studio (like I did) you have to use the new …
Unique Key constraints for multiple columns in Entity Framework
Sep 19, 2013 · Be wary of DB unique constraints with EF. If you do this and then you wind up having an update that flip-flops the values of one of the columns that is part of the unique key, …
How to generate and auto increment Id with Entity Framework
Apr 18, 2013 · How to generate and auto increment Id with Entity Framework Asked 12 years, 6 months ago Modified 7 years, 9 months ago Viewed 234k times