How To Set/Convert an Item Value to Upper Case in Oracle Apex

Open your page and click on the item for which you want to set as upper case. Then at the right side, in the Advance property section, paste the below code having CSS and JavaScript code in one line in the Custom Attribute  property.

  style="text-transform: uppercase;" onKeyUp="this.value=this.value.toUpperCase();"

 

Now Save  and run the page . When the user types the first name, it will convert every character to the upper case.