Save Dropdown Values

Question

Hi All, 
 I have two columns A and B. Column A is text and column B consists of dropdown values shown below:

Column A 
 Column B

a 
 Dropdown

b 
 Dropdown

c 
 Dropdown

d 
 Dropdown

If there is any change in column B dropdown the corresponding values should be updated in DB on click of button. Can anyone please help me how to achieve this.

Mike Schmitt · Answer

to reiterate what others have requested: 
 
 please share some sample code 
 enumerate (precisely) what you've already tried to do to accomplish your use case, and exactly where/how it doesn't seem to be working

Kalpesh Gujrati · Answer

Hi Rahul009 , 
 You can refer to the below code to see how you can update the data in the DB on button click. also refer to the below recipe for detailed explanation. 
 use-the-write-records-smart-service-function-on-an-interface 
 use-the-write-to-data-store-entity-smart-service-function-on-an-interface