Linq to search a property of a list based on string array variable

Question

I have an IQueryable of Gizmo.

I want to write LINQ statement that will filter all Gizmos whose color is in the parameter (string[]) that I pass.

For example:

public class Gizmo
{
      public string Id { get; set; }

      public string Name { get; set; }

      public virtual ICollection<Color> Colors { get; set; } = new List<Color>();
}

public class Color
{
      public string Id { get; set; }
      public string Value { get; set; } 
}

I will be supplied a parameter like:

var filterColors = new[] { "red", "silver" };

I want to write something similar to:

gizmos = gizmos.Where(x => x.ColorTags.Contains(filterColors));

Okay, so you wrote it, what happened?

Mark C.
– Mark C.

2018-12-05 18:18:42 +00:00
Commented Dec 5, 2018 at 18:18 — Mark C.
– Mark C., Commented Dec 5, 2018 at 18:18

Ousmane D. · Accepted Answer · 2018-12-05 18:19:08Z

2

Seems like you're looking for:

gizmos = gizmos.Where(x => filterColors.Any(z => x.Colors.Any(e => e.Value == z)));

answered Dec 5, 2018 at 18:19

Ousmane D.

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