We are going to see how to make force Upper Case Text field in Oracle Apex.
1.Create a Text Field [Page Item]: For Example, I have created "Name" Text Field [ Page Item]
2. Go to Text Field [Page Item] Properties in Page Designer and Find Custom Attribute under Advanced Property:
3. Now Paste the Following code:
style="text-transform: uppercase;" onKeyUp="this.value=this.value.toUpperCase();"
I guess above given code will work even in normal HTML as well.
I hope, this article will help you make a particular field force upper case. Thank you