How to: Change text case in the editor
You can use menu commands or keyboard shortcuts to convert the case of selected text to all upper case or to all lower case.
The dialog boxes and menu commands you see might differ from those described in this article, which are based on the General development settings. To change your development settings, choose Tools > Import and Export Settings, and then choose Reset all settings.
To change text case
Select the text you want to convert.
To convert text to all upper case, choose Edit > Advanced > Make Uppercase, or press Ctrl+Shift+U.
To convert text to all lower case, choose Edit > Advanced > Make Lowercase, or press Ctrl+U.
To revert to the previous case formatting before this change, select Undo from the Edit menu.