Byte [] issues in converting

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How to you check if byte[] is emoty. For string is example.length == 0 , how about byte[]?

Posted 3-Jun-14 2:11am

3 solutions

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OriginalGriff · Answer 1 · 2014-06-03T02:14:00

Try:

C#

byte[] data = GetData();
if (data == null || data.Length == 0)
   {
   ...

Posted 3-Jun-14 2:14am

**HardikPatel.SE** · Answer 2 · 2014-06-03T03:16:00

Try this :

C#

byte[] Attachment = null ;
if (Attachment != null  && Attachment.Length > 0)
{
      //Your Code
}
else
{
     //Code for else
}

:) :) :)

Posted 3-Jun-14 3:16am

Comments

Naz_Firdouse 3-Jun-14 9:22am

if you assign null to byte[] and if the next statement checks for its null value, always else part gets executed....

Naz_Firdouse 3-Jun-14 9:23am

moreover, the condition you specified is same as Solution 2 ...

_Asif_ · Answer 3 · 2014-06-03T02:16:00

Just check, it will do, do check the order conditions.

C#

if (byteArray != null  && byteArray.Length > 0)

Posted 3-Jun-14 2:16am

Comments

anoym0us 3-Jun-14 8:22am

i tried , btw this is for a fileupload control to check whether is there file uploaded