protected void Button1_Click(object sender, EventArgs e)
    {
        decimal  pr = decimal.Parse(TextBox4.Text);
        DateTime dt = DateTime.Parse(TextBox5.Text);

        try
        {
            if (FileUpload1.HasFile)
            {
                string filename1 = Path.GetFileName(FileUpload1.FileName);
                FileUpload1.SaveAs(Server.MapPath("~/Images/" + filename1));
            }
            if (FileUpload2.HasFile)
            {
                string filename2 = Path.GetFileName(FileUpload2.FileName);
                FileUpload2.SaveAs(Server.MapPath("~/Products/" + filename2));
            }
        }
        catch (Exception ex)
        {
            lbl.ForeColor = System.Drawing.Color.Red;
            lbl.Text      = ex.Message;
        }
        if (lbl.Text == "")
        {
            Product product = new Product(Convert.ToInt32(TextBox1.Text), TextBox2.Text, TextBox3.Text, pr, dt, FileUpload1.PostedFile.FileName.ToString(), FileUpload2.PostedFile.FileName.ToString());
            string  result  = ConnectionClass.AddNewProduct(product);
            lblresult.ForeColor = System.Drawing.Color.Red;
            lblresult.Text      = result;
        }
    }