String Title Case
The String Class is a sealed class , so you cannot inherit another class from the String class. ToTitleCase converts the first character of a word to uppercase and the rest of the characters to lowercase.
A neutral culture is specified by only the two-letter lowercase language code. For example, "fr" specifies the neutral culture for French, and "de" specifies the neutral culture for German.
The CultureInfo class renders culture-specific information, such as the associated language, sublanguage, country/region, calendar, and cultural conventions. The following C# source code shows how to convert a string to Title Case.