Keo Sepotokele

Keo Sepotokele

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Text boxes

Sep 30 2014 6:31 AM

I'm trying to validate my input in my textbox so that any values <=0 will pop up an error message box but this is the error message I'm receiving :

Operator '<' cannot be applied to operands of type 'string' and 'double'.

How do I fix this? 

Answers (3)