I have a simple class:
private class Category
{
public int Id { get; set; }
public string Value { get; set; }
}
an also a list of objects of this type:
List<Category> Categories;
I need to get a list of Ids that are in Categories list. Is there a simpler way to do this than using for loop like this:
List<int> list = new List<int>();
for (int i = 0; i < Categories.Count; i++)
{
list.Add(Categories[i].Id);
}
Thanks in advance.
This expression gives you the list you want:
Categories.Select(c => c.Id).ToList();
Also, don't forget
using System.Linq;
Use as follows.
Categories.Select(c => c.Id).ToList();
||
List<int> list = new List<int>();
foreach (Category item in Categories)
{
list.Add(item.Id);
}
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