Question

I have a list containing the following structure.

class CompareDesignGroup
{
    string FieldId;
    string Caption;
}

The list is containing items of the above structure.

Is it possible to retrieve an element of the list if FieldId is known?

Answer 1

You can use the Find method on the generic list class. The find method takes a predicate that lets you filter/search the list for a single item.

List<CompareDesignGroup> list = // ..;
CompareDesignGroup item = list.Find(c => c.FieldId == "SomeFieldId");

item will be null if there is no matching item in the list.

If you need to find more than one item you can use the FindAll method:

List<CompareDesignGroup> list = // ..;
List<CompareDesignGroup> result= list.FindAll(c => c.FieldId == "SomeFieldId");