So, We want to change something, Please see description below:
When creating a new app (from issue appl) => Enable drop-down list of payment type and using the same logic as issue #1410.
When viewing an exist apps (from app enquiry) => Disable drop-down list of payment type and retrieve payment type from SOS_PARAMETER_DATA.PARAM_VALUE2 WHERE PARAM_GROUP = 'PAY_TYPE' AND PARAM_CODE = (SELECT PAYMENT_TYPE FROM SOS_APPL_PAYMENT WHERE APPL_NO = 'Application No.') to display value in drop-down list of payment type.