public int insertREg()
        {
            SqlCommand cmd = new SqlCommand();

            cmd.CommandType = CommandType.Text;
            cmd.CommandText = "INSERT INTO Registration VALUES ('" + R_name + "','" + R_gender + "','" + R_dob + "','" + R_address + "','" + R_Level + "', '" + R_utype + "' ,'" + R_username + "','" + R_password + "' )";
            return(con.ExeNonQuery(cmd));
        }