c# - How to handle MSMQ delay problem? -

Scenerio:

The function A () -> creates a message and puts messages in the queue

The listener -> constantly checks for a message in the queue and sends it to the service to process and receives the result and inserts the result in DB

function B ( ) -> DB

Let's assume that the result from the service has not yet come and the function B () is now called, tht message The record of the id is empty due to DB, because the result is not

If the function meets the service completing B Depending on it, then it should also close a message queue.

When the service is finished, then he should write a new message in another line and another listener should choose it and call the function B.

If function B is triggered by the user interface gesture, then the UI should just tell that an essential process has not been completed and as long as this does not work.