Helper extension method to cut a string down to a certain length.

ShortenStringExtension.cs

public static class ShortenStringExtension
{
    public static string Shorten(this string input, int maxLength)
    {
        if (string.IsNullOrEmpty(input))
            return input;

        return input.Length <= maxLength ? input : input.Substring(0, maxLength);
    }
}