Enum value from display name

Question

I am new with C# and I have some troubles with enum.

I have Enum defined like this:

public enum CustomFields
{
    [Display(Name = \"first_name\")]
          


        

Answer 1

Try the following.

void Main()
{   
    CustomFields value1 = GetEnumValue("first_name");
    CustomFields value2 = GetEnumValue("last_name");
}

static Dictionary displayNameMapping;

static CustomFields GetEnumValue(String displayName){
    if (displayNameMapping == null){
        var enumType = typeof(CustomFields);
        var displayAttributeType = typeof(DisplayAttribute);
        CustomFields? found = null;

        displayNameMapping = new Dictionary();
        Enum.GetNames(enumType).ToList().ForEach(name=>{
            var member = enumType.GetMember(name).First();
            var displayAttrib = (DisplayAttribute)member.GetCustomAttributes(displayAttributeType, false).First();
            displayNameMapping.Add(displayAttrib.Name, (CustomFields)Enum.Parse(enumType, name));
        });
    }

    return displayNameMapping[displayName];
}

// Define other methods and classes here
public enum CustomFields
{
    [Display(Name = "first_name")]
    FirstName = 1,

    [Display(Name = "last_name")]
    LastName = 2,
}