//------------------------------------------------------------------------------
public static string ToProperCase(this string text)
{
    string result = "";
    char apos = (char)39;

    for (int i = 0; i < text.Length; i++)
    {
        string s = text[i].ToString();
        if (i == 0 || (!char.IsLetter(text[i - 1]) & text[i-1] != apos))
            result += s.ToUpper();
        else
            result += s;
    }
    return result;
}
//------------------------------------------------------------------------------
/// <summary>
/// Takes a Proper-Cased variable name and adds a space before each
/// capital letter.
/// </summary>
public static string AddSpaces(this string text)
{
    // Special case: if input is all UPPERCASE, add no spaces
    if (text == text.ToUpperInvariant())
        return text;

    var result = String.Empty;

    for (int i = 0; i < text.Length; i++)
    {
        // If we have multiple upper-case in a row, insert a space only before the last one
        if (i > 0 && char.IsUpper(text[i]) && (i == text.Length - 1 || char.IsLower(text[i - 1]) || char.IsLower(text[i + 1])))
            result += " ";

        result += text.Substring(i, 1);
    }
    return result;
}