I'm trying to create a many to many relationship in entity Framework Core using Fluent API Here is my first model: MyCalculationSelector.cs public int Sort
In C# My Sql Entity Framework 6 Insert is return exception Cannot add or update a child row: a foreign key constraint fails (portaldb.masterselectionhistory, C
I am using an Enumeration class like this public class SizeUnit : Enumeration { public static SizeUnit Inch = new SizeUnit(1, nameof(Inch)); public static
I had some changes in my ef context and I added new Migraions dotnet ef migrations add changed98112601 then I run the below command dotnet ef database upd
SCENARIO If I split the Entity Framework linq query to evaluate an IQueryable first and after try to include some properties, the value of AccessGroupAccessPoin
I want to pass an additional parameter to the DBContext, like this string myParam="xx"; string con="connenctionstring"; services.AddDbContext<IDbContext, DbC
Can I make the below changes to my databse whilst maintaining the one-to-many relationship? Would my Airport class need to change at all? Existing Flight class:
I have a list of incomplete product models. Everyone is missing an owner and a price. Can these deficiencies be filled with a single query to context? Without t
When running the get method to return a view populated with details, I get the exception saying: System.InvalidCastException: 'Unable to cast object of type 'Sy
I have a database-first .net core 3.1 web application which connects to SQL Server database table with a geography column. The database scaffolding and applicat
I Try To move all my identity Tables to Schema "User" using the following code in my context. it works fine for all except "AspNetUserClaims", "AspNetRoleClaims
I need to intercept the call to the following method of DbProviderServices: DbCommandDefinition CreateDbCommandDefinition(DbProviderManifest providerManifest, D
Let's say I have an object like this: public class ObjectA { public int Id {get;set;} public DateTime CreatedOn {get;set;} ...etc } I want to partitio
We have a .Net Core 3.1 application which is using EF Core to connect wit the SQL Server database. We are facing one problem, that when an exception occurs in o
We have a .Net Core 3.1 application which is using EF Core to connect wit the SQL Server database. We are facing one problem, that when an exception occurs in o
I try to use Entity Framework in a minimal API running in a .NET Core 6 project. As far as I understand I should run dotnet ef dbcontext scaffold xxxx which I d
I have relational data properties on my objects that I would like to access: public class Person { public ICollection<Address> Addresses { get; private
I'm still new to .NET Core. I have this character that I want to store in SQLite using an entity. But by default, Character, CharacterData and CharacterLine are
I have the following user-defined query: var outerRingEntities = await Databases.OuterRing.Set<TOuterEntity>() .As
i have this ValueObject : public class Access : ValueObject<Access> { public string ControllName { get; set; } public string ActionName { get;