Converts the value of a Unicode character to its uppercase equivalent using the casing rules of the invariant culture.
Assembly: mscorlib (in mscorlib.dll)
If your application is unaffected by the current culture and depends on the case of a character changing in a predictable way, use the method. The method is equivalent to ToUpper(Char, CultureInfo.InvariantCulture).
Use String.ToUpperInvariant to convert a string to uppercase.
Silverlight for Windows PhoneThis member is present to support the .NET Compact Framework infrastructure in Silverlight for Windows Phone, and it is not intended to be used in your application code.
For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.