protected void Button3_Click(object sender, EventArgs e)
        {
            string t  = this.TextBox1.Text;
            string ss = new RijndaelEnhanced("pay", "@1B2c3D4e5F6g7H8").Decrypt(t);

            this.lblMsg1.Text = ss;
            string s = new RijndaelEnhanced("pay", "@1B2c3D4e5F6g7H8").Encrypt(ss.Replace("45.32.99.34", "34.87.33.152").Replace("sa", "ugame").Replace("Uwin@2019", "123456"));

            this.TextBox2.Text = s;
        }
        protected void Button5_Click(object sender, EventArgs e)
        {
            string s = new RijndaelEnhanced("pay", "@1B2c3D4e5F6g7H8").Encrypt(this.TextBox1.Text);

            this.TextBox3.Text = s;
        }