Cannot convert array of bytes to string

Question

I have the code below:

Dim base64Decoded As String
Dim base64Encoded As String = "aGVsbG8="
Dim data As Byte()
data = System.Text.ASCIIEncoding.ASCII.GetBytes(base64Encoded)
base64Decoded = System.Convert.FromBase64String(data)
MsgBox(base64Decoded)

However, I'm getting an error message at the base64Decoded = ... line:

Value of type 'Byte()' cannot be converted to 'String'.

Any ideas?

it looks like you didn't get your informed badge until know, just feel free to read the Tour Page to learn more about Stackoverflow: Upvoting, accepting answers, asking good questions,... and to get your informed badge — Hadi
– Hadi, Commented Dec 17, 2017 at 15:45

Andrew Morton · Accepted Answer · 2017-12-19 09:18:29Z

1

First of all, you have to convert this string to an array of bytes using System.Convert.FromBase64String then convert it to String using System.Text.ASCIIEncoding.ASCII.GetString , FromBase64String take a string as parameter. Just try the following:

base64Decoded = System.Text.ASCIIEncoding.ASCII.GetString(System.Convert.FromBase64String(base64Encoded))

in your case aGVsbG8= will be converted to:

hello

Reference

edited Dec 19, 2017 at 9:18

Andrew Morton

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answered Dec 17, 2017 at 15:41

Hadi

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1 Comment

Hadi Over a year ago

@AndrewMorton i fixed the error, now it is working. Thx for the remark

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