Sruthi George

Sruthi George

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How check the existence of invoice no in sql?

Jan 15 2018 12:42 AM
Hi,
 
   I want to know how to check the existence of invoice no in sql and if duplicate invoice no 
show a confirm box whether to insert?
what code should be written in js?
what should be returned from sql to check whether invoice no exits or not? 

Answers (1)