/// <summary>
        /// 更新一条数据
        /// </summary>
        public bool Update(Entity.USERROLE model)
        {
            StringBuilder strSql   = new StringBuilder();
            DbAPI         dbHelper = new DbAPI();

            strSql.Append("update USERROLE set ");

            strSql.Append(" F_ID = :F_ID , ");
            strSql.Append(" F_ACCOUNT = :F_ACCOUNT , ");
            strSql.Append(" F_ROLECODE = :F_ROLECODE  ");
            strSql.Append(" where F_ID=:F_ID  ");

            OracleParameter[] parameters =
            {
                new OracleParameter(":F_ID",       OracleType.VarChar, 36),
                new OracleParameter(":F_ACCOUNT",  OracleType.VarChar, 36),
                new OracleParameter(":F_ROLECODE", OracleType.VarChar, 36)
            };

            parameters[0].Value = model.F_ID;
            parameters[1].Value = model.F_ACCOUNT;
            parameters[2].Value = model.F_ROLECODE;
            int rows = dbHelper.ExecuteNonQuery(strSql.ToString(), parameters);

            if (rows > 0)
            {
                return(true);
            }
            else
            {
                return(false);
            }
        }
        /// <summary>
        /// 得到一个对象实体
        /// </summary>
        public Entity.USERROLE GetModel(string F_ID)
        {
            StringBuilder strSql   = new StringBuilder();
            DbAPI         dbHelper = new DbAPI();

            strSql.Append("select F_ID, F_ACCOUNT, F_ROLECODE  ");
            strSql.Append("  from USERROLE ");
            strSql.Append(" where F_ID=:F_ID ");
            OracleParameter[] parameters =
            {
                new OracleParameter(":F_ID", OracleType.VarChar, 36)
            };
            parameters[0].Value = F_ID;


            Entity.USERROLE model = new Entity.USERROLE();
            DataTable       ds    = dbHelper.GetDataTable(strSql.ToString(), parameters);

            if (ds.Rows.Count > 0)
            {
                model.F_ID       = ds.Rows[0]["F_ID"].ToString();
                model.F_ACCOUNT  = ds.Rows[0]["F_ACCOUNT"].ToString();
                model.F_ROLECODE = ds.Rows[0]["F_ROLECODE"].ToString();

                return(model);
            }
            else
            {
                return(null);
            }
        }
        /// <summary>
        /// 增加一条数据
        /// </summary>
        public void Add(Entity.USERROLE model)
        {
            StringBuilder strSql   = new StringBuilder();
            DbAPI         dbHelper = new DbAPI();

            strSql.Append("insert into USERROLE(");
            strSql.Append("F_ID,F_ACCOUNT,F_ROLECODE");
            strSql.Append(") values (");
            strSql.Append(":F_ID,:F_ACCOUNT,:F_ROLECODE");
            strSql.Append(") ");

            OracleParameter[] parameters =
            {
                new OracleParameter(":F_ID",       OracleType.VarChar, 36),
                new OracleParameter(":F_ACCOUNT",  OracleType.VarChar, 36),
                new OracleParameter(":F_ROLECODE", OracleType.VarChar, 36)
            };

            parameters[0].Value = model.F_ID;
            parameters[1].Value = model.F_ACCOUNT;
            parameters[2].Value = model.F_ROLECODE;
            dbHelper.ExecuteNonQuery(strSql.ToString(), parameters);
        }