event twice to get the answer, run

Hello, newbie here.  I did a little routine to take an identification number entered by the user (usually 4 digits, but not exclusively as such) and structure of the event allows you to add an alpha prefix and this year as a suffix, and then displays the new string.  I'm trying to get a handle on works the structure of the event, as well as text, strings and date functions.  It works as it is, but I have to run the event twice to get the right result.  Any suggestions or explanations are really appreciated.

PS I also noticed that the string functions and the text don't work in the same way.  The control of the chain added whenever I entered a new identification number and didn't all of its contents to the CONCATENATE node would be out and I couldn't find a way to limit it to the current entry.   The text control gives me what I want, but it appears in my 'Express', not classic or modern menu, which seems to have their own advantages in different situations of the screen formatting, etc.   I guess I could build another function to extract the desired part but that seems like overkill.  Any tips?

Thanks, Jim

That does what you want it to do?

You must have control of the string to be read inside the a case for event.

When you run your VI he read control of the chain before he expected in the case of the event. So if you do not enter the chain before you click on the arrow to run, you will not get the correct string. Then when you run the 2nd time the chain is already in control of the chain so he can read it.

That's why you had to run it twice.

Tags: NI Software

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