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How do I Convert a string to an enum in C#?
I have an enum of type int:
public enum BlahType { blah1 = 1, blah2 = 2 } If I have a string:
string something = "blah1" How can I convert this to BlahType?
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4 Answers
I use a function like this one
public static T GetEnumValue<T>(string value) { return (T)Enum.Parse(typeof(T), value); } And you can call it like this
BlahType value = GetEnumValue<BlahType>("Blah1"); answered Nov 5, 2009 at 21:07
Pierre-Alain Vigeant
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You want Enum.Parse
BlahType blahValue = (BlahType) Enum.Parse(typeof(BlahType), something); 
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I use this function to convert a string to a enum; then you can cast to int or whatever.
public static T ToEnum<T>(string value, bool ignoreUpperCase) where T : struct, IComparable, IConvertible, IFormattable { Type enumType = typeof (T); if (!enumType.IsEnum) { throw new InvalidOperationException(); } return (T) Enum.Parse(enumType, value, ignoreUpperCase); } answered Nov 5, 2009 at 21:09
Jhonny D. Cano -Leftware-
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3 Comments
Fredrik Mörk
Nice extension method. I just wonder why should it ignore uppercase only rather than just ignore case? ;)
Pierre-Alain Vigeant
When I first did that function, I though about checking for if the given type was an enum. I gave up after discovering (with reflector) that Enum.Parse already do these check (and more) and throw a ArgumentException if the type is not an enum.
Jhonny D. Cano -Leftware-
sorry, that's a spanish translation issue, it's just a wrapper for the overload of Enum.Parse
public enum BlahType { blah1 = 1, blah2 = 2 } string something = "blah1"; BlahType blah = (BlahType)Enum.Parse(typeof(BlahType), something); If you are not certain that the conversion will succeed - then use TryParse instead.
