using System;

using System.Linq;

using System.Collections;

using System.Collections.Generic;

​

public class Program

{

    public enum ReportStatus

    {

        Draft,

        Revising,

        Finished

    };

    public static void Main()

    {       

        Console.WriteLine();

        Console.WriteLine("Draft".ToEnum<ReportStatus>());      

        Console.WriteLine("Revising".ToEnum<ReportStatus>());

        Console.WriteLine("Finished".ToEnum<ReportStatus>());

        Console.WriteLine();

        Console.WriteLine("draft".ToEnum<ReportStatus>());

        Console.WriteLine("revising".ToEnum<ReportStatus>());

        Console.WriteLine("finished".ToEnum<ReportStatus>());

        Console.WriteLine();

        Console.WriteLine("0".ToEnum<ReportStatus>());

        Console.WriteLine("1".ToEnum<ReportStatus>());

        Console.WriteLine("2".ToEnum<ReportStatus>());

    }

}

​

​

​

public static class StringExtensions

{

    public static TEnum ToEnum<TEnum>(this string text)

        where TEnum : struct, IComparable, IFormattable, IConvertible 

    {

        TEnum result = default(TEnum);

        return !string.IsNullOrWhiteSpace(text) 

            && Enum.TryParse(text, true, out result)

            && Enum.IsDefined(typeof(TEnum), result.ToString())

                ? result

                : default(TEnum);

    }

}