C# LINQ to Objects - JOIN into MyCollection and List

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Hello people,

I'm need LINQ join with MyCollection and List<string>

like this:

C#

FieldsCollection fields = new FieldsCollection();
List<String> columns = new List<String>();

FieldsCollection query = (from f in fields
join c in coluns on f.value equals c
select new Field(){
   Key = f.key,
   Alias = f.Alias
}).Cast<FieldsCollection>();

please consider that the objects are populated.
and i want return a FieldsCollection;

thanks everbody

Posted 15-Jan-14 6:41am

EduChapow

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Karthik_Mahalingam 15-Jan-14 13:00pm

what is FieldsCollection object ??

EduChapow 15-Jan-14 14:50pm

that's my collection i create it.

public class FieldsCollecion : Collection<field>
{}

1 solution

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Karthik_Mahalingam · Accepted Answer · 2014-01-15T07:19:00

Solution 1

Try like this, might help you.

C#

FieldsCollection query = new FieldsCollection ();
           (from f in fields
            join c in columns on f.value equals c
            select new Field()
            {
                Key = f.key,
                Alias = f.Alias
            }).ToList().ForEach(k => query.Add(k));

Posted 15-Jan-14 7:19am

Karthik_Mahalingam

Comments

EduChapow 15-Jan-14 14:03pm

that is work man! thank you.

but i use foreach statement anyway! i really prefer a cast! but this resolve my problem.

Karthik_Mahalingam 15-Jan-14 22:14pm

Thanks Dude :)

Maciej Los 15-Jan-14 16:48pm

Worth a 5!

Karthik_Mahalingam 15-Jan-14 22:14pm

Thanks Maciej :)