//fires when clicking button1, uploads file protected void Button1_Click(object sender, EventArgs e) { if (FileUpload1.HasFile) { Label1.Text = AudioFiles.UploadFile(FileUpload1, TextBoxAudioName.Text.Replace("'", ""), TextBoxDescription.Text, Session["ID"].ToString()) + "<br> Upload Successeful!"; } else { Label1.Text = "You have not specified a file."; } }