Get Parent based on string value and all its children with Entity Framework Core

Entity Framework 6: Adding child object to parent's list vs. setting child's navigation property to parent

I currently have a database with two tables....MailServers... and ...MailDomains... in it....MailDomains... features a foreign key column....MailServerId... indicating the...Id... foremost column in...MailServers... In this case, there is a one-to-many link....I followed ...this piece...'s instructions and used the Entity Data Model Wizard's "Code...

Deleting parent-child relation with Entity Framework or Entity Framework Core

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Add child entities to database and assign them to parent object in database Entity Framework Core

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Entity Framework Core - recursive parent/child linking

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Entity Framework Core to Json Ignore ReferenceLoop - Parent Child

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Removing child entity from parent entity - EF Core 2.2

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Entity Framework Core : Access parent from child

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Add or Update child entities when updating a parent entity in Entity Framework Core

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Avoid attaching parent entity on child entities using EF Core

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Entity Framework Core Parent Child items in the same model, children node returns null

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