protected void Button2_Click(object sender, EventArgs e)
 {
     if (!checkCookie())
         Response.Redirect("Login.aspx");
     String sellerName = TextBox1.Text;
     String sellerCountry = TextBox2.Text;
     String sellerCity = TextBox3.Text;
     String sellerStreet = TextBox4.Text;
     String sellerPhone = TextBox5.Text;
     String sellerEmail = TextBox6.Text;
     String sellerBankName = TextBox7.Text;
     String sellerBankAccountNum = TextBox8.Text;
     String sellerPassword = TextBox9.Text;
     String sellerIdProof = FileUpload1.PostedFile.FileName;
     String IdProofFolder = HttpContext.Current.Server.MapPath("~/Seller ID");
     String IdProofTarget = Path.Combine(IdProofFolder, sellerIdProof);
     FileUpload1.SaveAs(IdProofTarget);
     String sellerId = Request.QueryString["sellerId"].ToString();
     EncryptDecrypt obj = new EncryptDecrypt();
     sellerId = obj.Decrypt(HttpUtility.UrlDecode(sellerId));
     DatabaseHandler obj1 = new DatabaseHandler();
     obj1.UpdateSellerInfo(sellerName, sellerCountry, sellerCity, sellerStreet, sellerPhone,
         sellerEmail, sellerIdProof, sellerBankName, sellerPhone, sellerPassword, sellerId);
     Response.Redirect("SellerHome.aspx?sellerId=" + Request.QueryString["sellerId"].ToString());
 }