ef-core-2.1

I'm getting the below error when trying to insert into a temporal table using Entity Framework Core 2.1. Cannot insert an explicit value into a GENERATED ALWAYS column in table 'db_test.dbo.Department'. Use INSERT with a column list to exclude the GENERATED ALWAYS column, or insert a DEFAULT into GENERATED ALWAYS column. Below is my table schema CREATE TABLE Department ( DeptID int NOT NULL PRIMARY KEY CLUSTERED, DeptName varchar(50) NOT NULL, ManagerID INT NULL, ParentDeptID int NULL, SysStartTime datetime2 GENERATED ALWAYS AS ROW START NOT NULL, SysEndTime datetime2 GENERATED ALWAYS AS ROW

What is the right way to work with multiple providers? My Example: appsettings.json { "ConnectionStrings": { "Sqlite": "Data Source=database.db" } } Startup.cs public void ConfigureServices(IServiceCollection services) { services.AddDbContext<DatabaseContext>(options => options.UseSqlite(Configuration.GetConnectionString("Sqlite"))); } DatabaseContext.cs public class DatabaseContext : DbContext { public DatabaseContext(DbContextOptions<DatabaseContext> options) : base(options) { } public DbSet<TestModel> TestModel{ get; set; } } A easy way for multiple providers? A solution with only one

I have an unknown amount of parameters for my inclause. How can I write it so it works with EF Core? var formattedValues = String.Join(",", values.Select(s => "'" + s + "'")); var identifierParam = new SqlParameter("jsonColumn", $"$.{identifierKey}"); var filterValueParam = new SqlParameter("value", $"%{formattedValues}%"); var items = dbContext.Items.FromSql("select * FROM Items WHERE AND JSON_VALUE(Attributes, @jsonColumn) in (@value)", filterValueParam, identifierParam).ToList(); I think it is because each value in the in clause needs it's own Parameter. Since you're using SQL Server, you

Is it possible to use EF Core FromSql to execute a stored procedure that has optional parameters? I have been testing out a simple scenario to use as a template for updating old EF6 calls to EF Core calls. The test example I am using as a proof of concept: CREATE PROCEDURE [dbo].[TestNullableParameters] @addressId int = null, @city nvarchar(100) = null, @createdByUserId int AS BEGIN select * from CRM..Address a where (@addressId is null or a.AddressId = @addressId) and (@city is null or a.City like @city) and a.CreatedByUserId = @createdByUserId END My test code that calls this proc: [Test]

Not having a great time. PM> command run Scaffold-DbContext "Server=myserver;Database=mysqlserverdb;Trusted_Connection=True;" Microsoft.EntityFrameworkCore.SqlServer -Tables Settings -verbose Error: The method or operation is not implemented. System.NotImplementedException: The method or operation is not implemented. at Microsoft.EntityFrameworkCore.Scaffolding.ProviderCodeGenerator.GenerateUseProvider(String connectionString) at Microsoft.EntityFrameworkCore.Scaffolding.Internal.CSharpDbContextGenerator.GenerateOnConfiguring(String connectionString, Boolean suppressConnectionStringWarning) at