updating photograph


hi friends

i want to update photograph which is in ms-access table

i tried something like

 Dim imageByte As Byte()
 Dim fs As New FileStream(OpenFileDialog1.FileName, FileMode.Open)
 Dim reader As New BinaryReader(fs)
 imageByte = reader.ReadBytes(Convert.ToInt32(fs.Length))
 Dim cmd As New OleDbCommand("UPDATE Employee SET photograph = " & imageByte, cnAscom)

it gives syntax error saying that
 " Operator '&' is not defined for types 'String' and '1-dimensional array of Byte' "

how can i solve this problem


thanks for ur valuable suggestion