RE: an expression to check if a parameter is a non-zer

> 
> I want to check if the incoming parameter ImageWidth is a 
> non-zero number.

test="number($ImageWidth)!=0"

this will return false if it is not a number, and false if it is zero. 

Michael Kay

> 
> I am wondering it the above expression would work?
> 
> Is there a better way to do that checking ?
> 
> Abhishek Sanwal
> HP - Houston Campus
> abhishek.sanwal@xxxxxx
> 
> 
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> 


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