Hi Chunghee,
Thanks for contacting us.
From the details that you have provided, we suspect that you are expecting steps to create web form application, which is to have permission for read/write in SQL database. Please follow the below documentation links,
References:
If we misunderstood your requirement then please get back to us with below details, So that we can help you to achieve your requirement quickly.
1. Are you using Syncfusion controls? If yes, the please share controls name and respective platform.
2. Are you expecting form validation?
3. Are you using Essential JS1 or Essential JS2?
Regards,
Narayanasamy P.