I would like to Convert a Byte to 3 digits in VB.net

Question

For example:

If the Byte value is 5, I would like it to be displayed as 005.

If the Byte value is 10, I would like it to be displayed as 010.

Basically, I always want 3 digits. 119 would remain 119.

I'm aware of .padleft, but do not want to use an if statement. I tried Format("D3") with no luck.

Any suggestions would be appreciated.

Answer 1

If you are using String.Format, you need to specify the index for the parameter, not just D3, so it would be something like this:

Dim r As Byte = 10
Console.WriteLine(String.Format("{0:D3}", r))

Alternatively, you could just use D3 into the ToString of r:

Dim r As Byte = 10
Console.WriteLine(r.ToString("D3"))

Answer 2

You can use String.Format to specify the number of digits you want in the output:

Dim b As Byte = 5
Debug.WriteLine(String.Format("{0:000}", b))

Or use this in the .ToString overload like this:

Debug.WriteLine(b.ToString("000"))

in both cases the output is 005