How to select list of objects inside another list of objects

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public class Account
    public List<Memo1> Memos { get; set; }

public class Memo1
    public string Memo { get; set; }
    public DateTime AddDate { get; set; }
    public string UserID { get; set; }
    public List<MemoRefferances1> MemoRefferances { get; set; }

public class MemoRefferances1
    public string RefferanceName { get; set; }
    public string RefferanceValue { get; set; }

I want to select values of RefferanceName and RefferanceValue in MemoRefferances1 class. Please Help me.

You can use SelectMany to get all the MemoRefferances1 in Account.Memos

var results = someAccount.Memos.SelectMany(x => MemoRefferances);

Java List, The Java List interface represents an ordered collection of objects which Insert All Elements From One List Into Another; Get Elements From a You can choose between the following List implementations in the Java Collections API: Inside the while loop you call the Iterator next() method of the Iterator� You're trying to select multiple result objects for each ClassB object in the original list. Therefore, you're looking for the SelectMany extension method: var results = classBList.SelectMany(b => b.MyObjects).Distinct(); If you want to use query expressions, you'll need to use two from clauses:

You need SelectMany:

Projects each element of a sequence to an IEnumerable and flattens the resulting sequences into one sequence.

var allMemoRefferances = account.Memos.SelectMany(x = x.MemoRefferances);

LINQ query that filters elements from a list of object, You can simply combine the conditions inside the FirstOrDefault() like This is based on the assumption that for each entry in the first list there will be only one entry Gender == "female" select personResult; Cancel and add another image. Stack Overflow Public questions and answers; Teams Private questions and answers for your team; Enterprise Private self-hosted questions and answers for your enterprise; Talent Hire technical talent

You can use the following code,

Account dummy = GetAccouns(); //Assume GetAccounts fills account data
var result = dummy.Memos.SelectMany(x => x.MemoRefferances).ToList();

An Introduction to Python Lists, The sequence can be any kind of sequence object or iterable, including tuples and generators. If you pass in another list, the list function makes a copy. It has always been fun to play with C#. In this post, we will see how we can create a list of objects with a different approach. The scenario is: for one of my MVC applications I need to bind the

LINQ filter: How to filter a list using another list with LINQ, When your LINQ list contains value from another list, how can you filter it? First, I added a filter for the selected genres (a string array) in Figure 2. In this case, it's a just a small collection created within the method, but it� When you query that with Linq's "Single", it returns a single object matching the criteria set out inside the brackets, and this is of type SymbolList, so you can then query that object, and ask for the "symbolData" property, and you can query that object and ask for "completeData" and since that is a list, you can call the "Add" method.

How to Update Members of a Collection with LINQ -- Visual Studio , The reason you have to convert your collection to a List is because the only Normally, all we ask the Select method to do is return the object that will Within that loop, I'll call the lambda expression that's been passed in to� var c = from d in CustomerOrders select d.OrderLines.ToList(); IEnumerable<string> b = from q in (c as List<OrderLine>) select q.ProductCode; The first line is fine, but the next one causes an exception becase c is null. I didn't even get to trying to find the distinct values from the list :) Help and tips much appreciated! /Geir Rune

We can create list of object in Python by appending class instances to list. By this, every index in the list can point to instance attributes and methods of the class and can access them. If you observe it closely, a list of objects behaves like an array of structures in C. Let’s try to understand it better with the help of examples. Example #1:

  • Does this answer your question? Linq: List of lists to a long list
  • What are the properties available in MemoRefferances1 class. Only two which you mentioned in question or others as well, because SelectMany gives you entire object of IEnumerable<MemoRefferances1> class and if you need selective properties from that object then you need Select() as well