EF Core store Images

missing stored procs when scaffolding mysql using EF Core on .net core and pomelo drivers

There is a Known issue with Pomelo and latest version of Entity Framework....It is working for me with this configuration:...Microsoft.EntityFrameWorkCore 2.0.3 Microsoft.EntityFrameworkCore.Tools 2.0.3 Pomelo.EntityFrameworkCore.MySql 2.0.1 ...To call the stored procedure in MySql you can use something like:...var values = _context.Test.FromSql("c...

ASP.NET Core and EF Core 1.1 - Diplay Data using Stored Procedure

While support for stored procedures isn’t completely there with Entity Framework Core ...yet..., you still can use ...FromSql... to consume stored procedures with it....In order to do that, the database context needs to know the entity you are mapping to from the stored procedure. Unfortunately, the only way to do that right now is to actually d...

NpgSql - How to call a stored procedure (void function) from EF core - asynchronously

The easiest way to accomplish what you're trying to do is probably the following:..._context.Database.ExecuteSqlCommand("SELECT generate_accession_attributes({0})", AccessionId); ...If you don't want to use async, then call ExecuteSqlCommand (the sync version) instead of ExecuteSqlCommandAsync. You can place the logging line right after that (inste...

What are the best practices to validate Image and upload in ASP.Net Core/EF Core?

Every file has an extension and if it is a binary file, it has magic numbers in the header of the file that indicates what type of file it is, You can identify file type by reading the header of bytes. ... Check this GitHub code ...https://github.com/Muraad/Mime-Detective... file headers reference: ...http://www.garykessler.net/library/file_sigs.ht...

How to execute stored procedure in foreach loop using EF Core in .NET Core?

the last line in your loop ...data =...is replacing the data variable in each iteration, so you will only ever get the last iteration in that ...For Loop..... You need to change it so that the (data =) part appends to a list instead.. If data is a list, you can use ...data.AddRange()...And this line ...List<Entity> data = new List<Entity>();... nee...

What is the difference between EF Core Database-First and EF Core Code-First approaches?

Database-First...DB-First is that you reverse engineer an existing database to create an Entity Framework model.Instead of designing the EDMX manually and generating the SQL script to create the Database, we build the latter and then generate the former using the Entity Framework Designer tool....Code-First...Code-First uses migrations to create th...

Migrating from EF Core 2 to EF Core 3

use ...OrderByDesc()... for some property and then ...FirstAsync().... (...https://github.com/aspnet/EntityFrameworkCore/issues/18211...)...the invariant compare is not translated, was probably client evaluated previously. Depending on your database collation setting you could probably just do a normal equals here. ...Calling ...AsEnumerable()... o...

How to execute stored procedure for multiple parameters using FromSqlInterpolated in EF Core 3.0?

You can learn how to use sql command in ef core with this artical:...https://www.learnentityframeworkcore.com/raw-sql#stored-procedures...https://www.learnentityframeworkcore.com/raw-sql#database.executesqlcommand...As efcore updated. You don't need to build SqlParameter in the new efcore api....ExecuteSqlCommandAsync and FromSql is obsolete now ,y...

EF Core 2.1 Linq Query to EF Core 3.0

ok, i figured it out....here is my new code that works.... query = query.Where(x => x.Items.Where(o => o.BinItem != null && o.BinItem.Bin != null && o.BinItem.Bin.Zone != null ...

EF core 2.2 to EF core 3.1

Starting with 3.0, EF Core LINQ queries are no longer evaluated on the client. ...learn more: MSDN...Actually i think your problem may be in i.ForApplication Property if it makes some calculations.