Image BLOB, Read, MySQL

Public Sub GetBLOBImage(ByVal TableName As String, ByVal FieldName As String, ByVal PictureBox As PictureBox)
    '// Create the SQL query
    Dim QueryString As String = "SELECT Image FROM tbl_employed WHERE EmpNr = 1234"""
    Dim rawData() As Byte
    Dim FileSize As UInt32
    Dim fs As FileStream
 
    '// The "Using" block will automatically dispose of the connection when we're finished
    Using MyConnectionMySQLOpen As New MySqlClient.MySqlConnection(m_strConnectionString)
 
        Try
            '// Open the DB connection
            MyConnectionMySQLOpen.Open()
 
            '// Create a new command object
            Dim cmd As New MySqlClient.MySqlCommand()
 
            '// Set command properties
            With cmd
                .Connection = MyConnectionMySQLOpen
                .CommandType = CommandType.Text
                .CommandText = QueryString
            End With
 
            '// Execute the SQL query with the command object, and get the affected rows in the DB back
            Dim myData As MySqlDataReader = cmd.ExecuteReader
 
            '// Close the connection
            MyConnectionMySQLOpen.Close()
 
            If Not myData.HasRows Then Throw New Exception("There are no BLOBs data")
 
            myData.Read()
 
            '////////////////// HERE is where I need the help to complete the code//////////////////////////
            FileSize = myData.xxxxxx
            rawData = New Byte(CInt(FileSize)) {}
 
            myData.GetBytes(myData.GetOrdinal(FieldName), 0, rawData, 0, CInt(FileSize))
 
            PictureBox.Image = xxxxxxxxxxxxxx
 
        Catch MyException As MySqlException
            Throw
        Catch ex As Exception
            Throw
        Finally
            '// Close connection if an exception was thrown before the connection could close
            If MyConnectionMySQLOpen.State = ConnectionState.Open Then
                MyConnectionMySQLOpen.Close()
            End If
        End Try
    End Using
 
End Sub

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