How to get the 2 level data using ef core?

Question

public Class MyCataA {  
 public int Id{get;set}  
 public int TopId{get;set;}  
}  
  
public Class IMGA  
{  
       public int Id{get;set;}  
       public string ImageUrl{get;set;}  
       public int CateId{get;set;}  
}  

I am using entityframework and I want to get the list of the images which CateId is in MyCateA;

There is a list of maybe 10 of MyCateA that TopId= 0 and others TopId = its Top Category.

how to get the list?

now I have to get the list of TopId= 10 and using for to get each sub Categories and then get the images.

Answer 1

Use ThenInclude to include multiple levels. Please read the official documentation.

Eager Loading of Related Data
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