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How can i load nested navigation properties using reflection in EF Core

.everyoneloves__top-leaderboard:empty,.everyoneloves__mid-leaderboard:empty,.everyoneloves__bot-mid-leaderboard:empty height:90px;width:728px;box-sizing:border-box;

-1

This is the code I have written, but I cannot make it work. Does someone have some code for lazy loading nested properties?
i know how to load first level but i ned a second leve to !

example person has many books and a book has one author how can and load all this not only the books ?

public class Lazyloading

 public string Include get; set; 
 public string ThenInclude get; set; 


public T Get(Expression<Func<T, bool>> expression, params Lazyloading[] includes)

 var query = dbContext.Set<T>().AsQueryable();

 if (includes != null)
 foreach (var include in includes)
 query = query.Include(x => x.GetType().GetProperty(include.Include).GetValue(x)).ThenInclude(it => it.GetType().GetProperty(include.ThenInclude));

 return query.FirstOrDefault(expression);

c# ef-core-2.0

share|improve this question

edited Mar 22 at 12:35

Wilmar Arias

asked Mar 22 at 11:53

Wilmar AriasWilmar Arias

405

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Possible duplicate of EF Core 2.0 include nested entities with dynamic query
  
  – GregH
  Mar 22 at 12:18
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Why do you need to use reflection?
  
  – Erik Philips
  Mar 22 at 12:29
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  because im using a generic repository and i have oteher layers
  
  – Wilmar Arias
  Mar 22 at 12:32
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  If you are using string based include's, you don't need ThenInclude because the string can contain the whole include path (dot separated string) - see ThenInclude not recognized in EF Core query. And here Entity Framework Core 2.0.1 Eager Loading on all nested related entities you can see a custom extension method for multiple string includes.
  
  – Ivan Stoev
  Mar 22 at 17:04
  

  
  
  
  

add a comment | 

-1

This is the code I have written, but I cannot make it work. Does someone have some code for lazy loading nested properties?
i know how to load first level but i ned a second leve to !

example person has many books and a book has one author how can and load all this not only the books ?

public class Lazyloading

 public string Include get; set; 
 public string ThenInclude get; set; 


public T Get(Expression<Func<T, bool>> expression, params Lazyloading[] includes)

 var query = dbContext.Set<T>().AsQueryable();

 if (includes != null)
 foreach (var include in includes)
 query = query.Include(x => x.GetType().GetProperty(include.Include).GetValue(x)).ThenInclude(it => it.GetType().GetProperty(include.ThenInclude));

 return query.FirstOrDefault(expression);

c# ef-core-2.0

share|improve this question

edited Mar 22 at 12:35

Wilmar Arias

asked Mar 22 at 11:53

Wilmar AriasWilmar Arias

405

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Possible duplicate of EF Core 2.0 include nested entities with dynamic query
  
  – GregH
  Mar 22 at 12:18
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Why do you need to use reflection?
  
  – Erik Philips
  Mar 22 at 12:29
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  because im using a generic repository and i have oteher layers
  
  – Wilmar Arias
  Mar 22 at 12:32
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  If you are using string based include's, you don't need ThenInclude because the string can contain the whole include path (dot separated string) - see ThenInclude not recognized in EF Core query. And here Entity Framework Core 2.0.1 Eager Loading on all nested related entities you can see a custom extension method for multiple string includes.
  
  – Ivan Stoev
  Mar 22 at 17:04
  

  
  
  
  

add a comment | 

This is the code I have written, but I cannot make it work. Does someone have some code for lazy loading nested properties?
i know how to load first level but i ned a second leve to !

example person has many books and a book has one author how can and load all this not only the books ?

public class Lazyloading

 public string Include get; set; 
 public string ThenInclude get; set; 


public T Get(Expression<Func<T, bool>> expression, params Lazyloading[] includes)

 var query = dbContext.Set<T>().AsQueryable();

 if (includes != null)
 foreach (var include in includes)
 query = query.Include(x => x.GetType().GetProperty(include.Include).GetValue(x)).ThenInclude(it => it.GetType().GetProperty(include.ThenInclude));

 return query.FirstOrDefault(expression);

c# ef-core-2.0

share|improve this question

edited Mar 22 at 12:35

Wilmar Arias

asked Mar 22 at 11:53

Wilmar AriasWilmar Arias

405

public class Lazyloading

 public string Include get; set; 
 public string ThenInclude get; set; 


public T Get(Expression<Func<T, bool>> expression, params Lazyloading[] includes)

 var query = dbContext.Set<T>().AsQueryable();

 if (includes != null)
 foreach (var include in includes)
 query = query.Include(x => x.GetType().GetProperty(include.Include).GetValue(x)).ThenInclude(it => it.GetType().GetProperty(include.ThenInclude));

 return query.FirstOrDefault(expression);

share|improve this question

edited Mar 22 at 12:35

Wilmar Arias

asked Mar 22 at 11:53

Wilmar AriasWilmar Arias

405

share|improve this question

edited Mar 22 at 12:35

Wilmar Arias

asked Mar 22 at 11:53

Wilmar AriasWilmar Arias

405

asked Mar 22 at 11:53

Wilmar AriasWilmar Arias

405

asked Mar 22 at 11:53

Wilmar AriasWilmar Arias

405