LearnChineseSimplified/CCharLearn/ExtensionMethods/StringExtensions.cs

namespace CCharLearn.ExtensionMethods
{
    public static class StringExtensions
    {
        public static string ToTitleCase(this string input)
        {
            char firstLetter = input[0];
            firstLetter = char.ToUpper(firstLetter);

            string restOfString = input.Substring(1, input.Length - 1);

            return firstLetter + restOfString;
        }
    }
}