Как вставить рисунок из базы данных в DataGridViewImageColumn

  Dim treeIcon As New Icon(Me.GetType(), "tree.ico")
    Dim iconColumn As New DataGridViewImageColumn()
 
    With iconColumn
        .Image = treeIcon.ToBitmap()
        .Name = "Tree"
        .HeaderText = "Nice tree"
    End With
 
    dataGridView1.Columns.Insert(2, iconColumn)

Shared Function OpenFile(conn As SqlConnection, id As Int64) As Integer
        Dim result As Integer=-1
        Dim Connection As New SqlConnection : Connection = conn
        Dim cmd_str As String = "SELECT name, data, ext FROM PART_ATT_FILES WHERE id=@id"
        Dim cmd As New SqlCommand(cmd_str, Connection)
        cmd.Parameters.AddWithValue("@id", id)
        Dim MDA As New SqlDataAdapter(cmd)
        Dim MDS As New DataSet
        '
        Try
            Connection.Open()
            '
            MDA.FillSchema(MDS, SchemaType.Source, "attachments")
            MDA.Fill(MDS, "attachments")
            '
            result = 0
        Catch ex As Exception
            MsgBox(ex.Message, MsgBoxStyle.Critical)
            result = -1
        Finally
            Connection.Close()
        End Try
        '
        If result <> 0 Then GoTo 10
        '
        Dim mFileName As String = MDS.Tables("attachments").Rows(0).Item(0)
        Dim mFileData As Byte() = MDS.Tables("attachments").Rows(0).Item(1)
           '
        Dim temp_folder As String = System.IO.Path.GetTempPath
        Dim fi As New FileInfo(Path.Combine(temp_folder, mFileName)) 
        File.WriteAllBytes(fi.FullName, mFileData)
        Try
            Process.Start(fi.FullName)
        Catch ex As Exception
            MsgBox(ex.Message, MsgBoxStyle.Critical)
        End Try
        '
10:     Return result
        '
    End Function

Process.Start(fi.FullName)