HOW TO read text from data type Image of Microsoft SQL Server [VB.NET]

The data type image of Microsoft SQL Server is used to store
Variable-length binary data from 0 through 2^31-1 (2,147,483,647) bytes.

The following sample code show how to read text from data type Image using VB.NET:

Dim query As String = "SELECT [Image Column] FROM MyTable"
Dim conn As New SqlConnection(connString)
Dim cmd As New SqlCommand(query, conn)

Dim rdr As SqlDataReader = cmd.ExecuteReader(CommandBehavior.SingleRow)

    If rdr.Read() Then
        Dim i As Integer = rdr.GetOrdinal("Image Column")
        If Not rdr.IsDBNull(i) Then
            Dim bufferSize = rdr.GetBytes(i, 0, Nothing, 0, Integer.MaxValue) - 1
            Dim outbyte(bufferSize) As Byte
            rdr.GetBytes(i, 0, outbyte, 0, bufferSize)
            Dim enc As New System.Text.ASCIIEncoding
            MyTextBox.Text = enc.GetString(outbyte, 0, bufferSize)
      End If
    End If
    ' Always call Close when done reading

    ' Always call Close when done reading
End Try

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