Hi, I want to create a trigger to increment value of my VisibleNo field if it gets duplicate value. My Application is my multiple users at same time . When at first suppose two users open application it gets same visible no and it saves duplicate number. I want use trigger to before inserting values . i have generated my visibleno from coding its of the form 'DO0001' please help me how to write the trigger for before insert
All 2 Replies
Be a part of the DaniWeb community
We're a friendly, industry-focused community of 1.21 million developers, IT pros, digital marketers, and technology enthusiasts learning and sharing knowledge.