protected void Button2_Click(object sender, EventArgs e)
        {
            Byte[]         imgByte = null;
            HttpPostedFile File    = FileUpload1.PostedFile;

            if (File.ContentLength > 0)
            {
                imgByte = new Byte[File.ContentLength];
                File.InputStream.Read(imgByte, 0, File.ContentLength);
            }
            dataclass e1 = new dataclass();

            e1.craft_update(TextBox1.Text, TextBox2.Text, TextBox3.Text, imgByte, TextBox4.Text);
            GridView2.DataSource = e1.craftitem();
            GridView2.DataBind();
            TextBox1.Text   = "";
            TextBox2.Text   = "";
            TextBox3.Text   = "";
            TextBox4.Text   = "";
            Button1.Visible = true;
            Button2.Visible = false;
            Button3.Visible = false;
        }