Please note that you can not directly use VCL dataset / database access in a web client application.
Database access in web application is typically handled via putting a REST API on this database and using the REST API from your web client application. Our TMS XData product or Embarcadero RAD server or open source solutions such as MARS REST or morMot all offer this.
Several videos at https://www.tmssoftware.com/site/videos.asp?vcatsel=9 cover this, for example https://www.tmssoftware.com/site/videos.asp?v=106
Several videos at https://www.tmssoftware.com/site/videos.asp?vcatsel=9 cover this, for example https://www.tmssoftware.com/site/videos.asp?v=106