Converting an Enum to a list

Question

I have an enum defined as

public enum SecurityRole { Admin = 0, ViewLog = 1, DeleteLog = 2 }

and want to use the technique described here to get a List<SecurityRole>.

Thus the line

var lst = Enum.GetValues(typeof(SecurityRole)).Cast<SecurityRole>().ToList();

should work, but IntelliSense wont allow the .ToList property

I am using System.Linq. Is there some other reference I need?

Your code is valid, and executes successfully. As a shot in the dark, maybe Visual Studio is confused? Are there compilation errors, or just IntelliSense failures? Try relaunching VS. — Michael Petrotta
– Michael Petrotta, Commented Mar 17, 2013 at 6:45
@kirsten it works for me and this is the correct syntax, see the official question on this topic: stackoverflow.com/questions/1167361/… - Can you delete the . before ToList() and press the . if that fails press Ctrl+Space to bring up intellisense — Jeremy Thompson
– Jeremy Thompson, Commented Mar 17, 2013 at 7:07
just try to rebuild the solution and try again because ur code should work since you use: using System.Linq — Ahmed Magdy
– Ahmed Magdy, Commented Mar 17, 2013 at 7:43

Michael Petrotta · Accepted Answer · 2013-03-17 06:55:18Z

2

using System.Linq should do it. ToList() is an IEnumerable<T> extension method. Probably check if you have any other compilation errors in your code.

edited Mar 17, 2013 at 6:55

Michael Petrotta

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answered Mar 17, 2013 at 6:47

PSL

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2 Comments

Sergey Berezovskiy Over a year ago

Cast<T> is also defined in Enumerable class

Kirsten Over a year ago

There were compiler errors. It works now they have been resolved.

Community · Accepted Answer · 2017-05-23 12:04:54Z

2

Check the solution here: How do I convert an enum to a list in C#?

Enum.GetValues(typeof(SomeEnum)).Cast<SomeEnum>();

edited May 23, 2017 at 12:04

CommunityBot

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answered Mar 17, 2013 at 6:50

Ahmed Magdy

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1 Comment

Michael Petrotta Over a year ago

That will return an IEnumerable<SomeEnum>. To return a List<SomeEnum>, answers there recommend calling ToList(), just as the OP here has done.

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