ask user to enter VI express

All,

I'm under labview 2011

I have a while loop nested within one another while loop.  In the outer circle everything in a loop, there is a VI express, called "prompts the user for input."  I trap on the express VI, but when it runs it does not call the prompt and returns a false value.

If I move the express VI inside while loop, the express VI works as I expect.

Why labview do that?  How can I do not to do?

Have you looked to see if you have a mistake on your feed error that is entered in the express VI? If an error occurs the dialog box will be pop up and out giving you data by default.

In addition, Express VIs for the dialog isn't bad. However, for data capture, you are much better with the ex.

Tags: NI Software

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