is there any is integer function ?

[Tee]

Hi,

how do we detect if a value is a positive integer ?

thanks,
Tee

 

[TJS]

if myValue > 0 then ...

 

[Scott Mitchell [MVP]]

how do we detect if a value is a positive integer ?

Are you using VB.NET or C#? In C# I'd do:

if (x is int)
{
if ((int) x) > 0)
// x is a positive integer
else
// x is a negative integer
}
else
// x is NOT an integer at all!


In VB.NET you can use IsNumeric().

--

Scott Mitchell
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[Scott M.]

And how would this know the difference between 1 and 1.1?

if x > 0 AND x = CTYPE(x, Integer) then

 

[Tee]

Hi,

Thanks for your reply,
I know about the isnumeric, but ... whatever number value will return true
with isnumeric, so I hope to get something like isInteger() ...

thanks.
Tee

 

[Tee]

Great idea,

Thanks.

And how would this know the difference between 1 and 1.1?

if x > 0 AND x = CTYPE(x, Integer) then

 

[Harsh Thakur]

Hi,

As noted before, for a positive integer, you can just say:
if(x > 0)
To test whether x is in integer, you can say:
x = int.Parse(value.ToString())
where value is the number you want to check.

If value represents an integer, x will contain it after
the step given above. Else an FormatException will be
thrown.

For more details you can check out int.Parse in MSDN.

HTH
Regards
Harsh Thakur

 

[Kevin Spencer]

with isnumeric, so I hope to get something like isInteger() ...

You need to re-read Scott's reply. That was the first thing he tested for.

--
HTH,
Kevin Spencer
..Net Developer
Microsoft MVP
Big things are made up
of lots of little things.