How to convert from Object to Byte array in VB.NET

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VB

Visual-Studio

ADO.NET

Hi guys,

I want to retrieve array of bytes data from database and receive it in byte array like this:

Dim _MemoryStream As New System.IO.MemoryStream()
Dim _BinaryFormatter As New System.Runtime.Serialization.Formatters.Binary.BinaryFormatter()
_BinaryFormatter.Serialize(_MemoryStream, ourCommand.ExecuteScalar())

UserPasswordKey = _MemoryStream.ToArray()

but it give me error for this line of code:

_BinaryFormatter.Serialize(_MemoryStream, ourCommand.ExecuteScalar())

I try at first to do like that:

Dim UserPasswordKey As Byte() = ourCommand.ExecuteScalar()

but i must convert ExecuteScalar from object to byte() firstly

???