UCase Function
Returns a string that has been converted to uppercase.
UCase(string)
Remarks
The string argument is any valid string expression. If string contains Null, Null is returned.
Only lowercase letters are converted to uppercase; all uppercase letters and non-letter characters remain unchanged.
The following example uses the UCase function to return an uppercase version of a string:
Dim MyWord
MyWord = UCase("Hello World") ' Returns "HELLO WORLD".