troubleshooting Question

Search URL for string causing #Error

Avatar of Travidia
Travidia asked on
Microsoft Access
15 Comments1 Solution211 ViewsLast Modified:
I have an expression that works most of the time.  I need to fix this so it always works.  
This expression captures the AdID from a URL that is entered.  It currently captured this based on the presence of 'ad.asp?a=' or 'adid='.  

What is happening is when users enter a URL that doesn't have an AdID the expression returns: #Error instead of the numeric AdID.  So I want to make it so 0 is returned if there is no AdID.  


I tried to use IsNumeric, but this still returned #Error.  Please let me know how this can be done.

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