Convert Image into a binary File and Save in TXT File

Step 1. Add Given namespaces 

using System.IO;

using System.Net;

Step 2. Add a Upload File control and a button

Step 3. Write this code on button click event

protected void Button1_Click(object sender, EventArgs e)

{

    string str = FileUpload1.FileName.ToString();

    FileUpload1.PostedFile.SaveAs(Server.MapPath("~/Images/" + str.ToString()));

    byte[] imgbyte =File.ReadAllBytes(Server.MapPath("~/Images/" + str.ToString()));

    File.WriteAllBytes(Server.MapPath("~/Images/image1.txt"), imgbyte);

}

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Thanks