Code For COMPRESS & DECOMPRESS

COMPRESS & DECOMPRESS

protected void Button1_Click(object sender, EventArgs e)

    {

        FileStream fs = new FileStream("C:/Documents and Settings/subbalakshmi.BSGROUP/Desktop/Test.doc", FileMode.Open);

        byte[] input=new byte[fs.Length];

        //FileStream fs = new FileStream("Test.doc", FileMode.Open);

        //byte[] input = new byte[fs.Length];

        fs.Read(input, 0, input.Length);

        fs.Close();

        FileStream fsOutput = new FileStream("C:/Documents and Settings/subbalakshmi.BSGROUP/Desktop/Test.rar",

                                             FileMode.Create,

                                             FileAccess.Write);

        GZipStream zip = new GZipStream(fsOutput, CompressionMode.Compress);

        zip.Write(input, 0, input.Length);

        zip.Close();

        fsOutput.Close();

    }

    protected void Button2_Click(object sender, EventArgs e)

    {

        FileStream fs = new FileStream("C:/Documents and Settings/subbalakshmi.BSGROUP/Desktop/Test.rar", FileMode.Open);

        FileStream fsOutput = new FileStream("C:/Documents and Settings/subbalakshmi.BSGROUP/Desktop/Test.doc",

                                             FileMode.Create,

                                             FileAccess.Write);

        GZipStream zip = new GZipStream(fs, CompressionMode.Decompress, true);

        byte[] buffer = new byte[4096];

        int bytesRead;

        bool continueLoop = true;

        while (continueLoop)

        {

            bytesRead = zip.Read(buffer, 0, buffer.Length);

            if (bytesRead == 0)

                break;

            fsOutput.Write(buffer, 0, bytesRead);

        }

        zip.Close();

        fsOutput.Close();

        fs.Close();

    }