[Mono-list] My code runs on the Visual C # 2010, but in monod evelop 2.8 does not work. What is it?

[Ian Norton]

On Fri, Oct 14, 2011 at 07:18:34AM +0100, Stifu wrote:
> So this tells us that what fails is the int.Parse() instruction.
> The changes I proposed were not meant to make it "work", just to try to
> debug the problem, as you didn't give us the Exception message at first.
> 
> So, it seems like Console.ReadLine() returns null rather than a string, for
> some reason.
>

http://msdn.microsoft.com/en-us/library/system.console.readline(v=VS.90).aspx

It is allowed to return null.

So, I would use String.IsNullOrEmpty(str) instead

Ian
 
> 
> mazoni_ wrote:
> >
> > This is error:
> >
> > Unhandled Exception: System.ArgumentNullException: Value cannot be null.
> >
> > Parameter name: String
> >
> >    at System.Number.StringToNumber(String str, NumberStyles options,
> > NumberBuffer& number, NumberFormatInfo info, Boolean parseDecimal)
> >
> >    at System.Number.ParseInt32(String s, NumberStyles style,
> > NumberFormatInfo info)
> >
> >    at Trab0801.Program.Main(String[] args) in
> > e:\Documentos\Estudos\aulas_csharp\codigos_csharp\Trab0801\Trab0801\Program.cs:line
> > 28
> >
> > What is it?
> >
> > This is my code, and in Visual C# it's work =]
> >
> > http://paste.ubuntu.com/707722/
> >
> > I made the changes mentioned in the previous post and did not work. Can
> > anyone help me please?
> >
> 
> 
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