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Validate numeric textbox using int.tryparse visual C#.NET

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5.00/5 (2 votes)
15 Sep 2011CPOL 9.6K   1   1
The alternative posted by Daaron does not work for several cases. E.g. Sign is included (+ or -), text contains whitespace prefix or suffix, etc. You could fix the first two limitations with a more detailed regex like "(^\s*(-|\+)?\d+\s*$)" but you could still end up with a value that won't fit...

The alternative posted by Daaron does not work for several cases. E.g. Sign is included (+ or -), text contains whitespace prefix or suffix, etc. You could fix the first two limitations with a more detailed regex like "(^\s*(-|\+)?\d+\s*$)" but you could still end up with a value that won't fit in type 'int'. IMHO, int.TryParse is the best way to validate.

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Comments and Discussions

 
GeneralReason for my vote of 5 Indeed, I prefer int.TryParse over a... Pin
KenBonny13-Sep-11 20:31
KenBonny13-Sep-11 20:31 

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