Compressing a file using GZipStream (VB) : GZipStream « File Directory « ASP.NET Tutorial






<%@ Page Language="VB" %>
<%@ Import Namespace="System.IO" %>
<%@ Import Namespace="System.IO.Compression" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<script runat="server">

    Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs)
        Dim filename As String = Server.MapPath("TextFile.txt")

        Dim infile As FileStream = File.OpenRead(filename)
        Dim buffer(infile.Length) As Byte
        infile.Read(buffer, 0, buffer.Length)
        infile.Close()

        Dim outfile As System.IO.FileStream = File.Create(Path.ChangeExtension(filename, "zip"))

        Dim gzipStream As New GZipStream(outfile, CompressionMode.Compress)
        gzipStream.Write(buffer, 0, buffer.Length)
        gzipStream.Close()

    End Sub
</script>

<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
    <title>Untitled Page</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
    
    </div>
    </form>
</body>
</html>








10.15.GZipStream
10.15.1.Compressing a file using GZipStream (C#)
10.15.2.Compressing a file using GZipStream (VB)
10.15.3.Compressing HTTP output with an HttpModule (C#)
10.15.4.Compressing HTTP output with an HttpModule (VB)