How to Read Files from SQL Server Varbinary and Display in Browser ASP.NET Page

Trying to read files stored as Varbinary(max) on my asp.net page.

Database schema is:
id      int      
fileName      varchar(100)      
fileSize      varchar(20)      
fileContent      varbinary(MAX)      
dateAdded      smalldatetime      
addedBy      varchar(20)      
fileMimeType      varchar(25)      

Code is:

Imports System.IO

Partial Class submission_viewfile
    Inherits System.Web.UI.Page
    Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load

        'Connect to the database and bring back the image contents & MIME type for the specified picture
        Dim myConnection As SqlConnection = New SqlConnection(ConfigurationManager.AppSettings("ConnectionString"))

        Const SQL As String = "SELECT * FROM Documents WHERE id = @id"
        Dim myCommand As New SqlCommand(SQL, myConnection)
        myCommand.Parameters.AddWithValue("@id", Request.QueryString("id"))

        myConnection.Open()
        Dim myReader As SqlDataReader = myCommand.ExecuteReader

        If myReader.Read Then
            Dim data As Byte() = myReader("fileContent")
            Using st As Stream = New MemoryStream(data)
                Dim dataLengthToRead As Long = st.Length
                If myReader("fileMimeType").ToString() = "text/plain" Then
                    Response.ContentType = myReader("fileMimeType").ToString()
                Else
                    Response.ContentType = myReader("fileMimeType").ToString()
                    Response.AddHeader("Content-Disposition", "attachment; filename=""" + myReader("fileName") + """")
                End If
                While dataLengthToRead > 0 AndAlso Response.IsClientConnected
                    Context.Response.BinaryWrite(data)
                End While
                Response.Flush()
                Response.Close()
            End Using
            Response.[End]()


        End If

        myReader.Close()
        myConnection.Close()


    End Sub
End Class


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