C# (CSharp) DBExtend.QueryScalar示例

示例#1

        /// <summary>
        /// 返回首列结果
        /// </summary>
        /// <typeparam name="TResult"></typeparam>
        /// <returns></returns>
        public TResult ToScalar <TResult>()
        {
            var db     = new DBExtend(__DbContext);
            var result = db.QueryScalar(this);

            if (result == null)
            {
                return(default(TResult));
            }
            return((TResult)result);
        }

示例#2

        /// <summary>
        /// 返回首列结果
        /// </summary>
        /// <returns></returns>
        public dynamic ToScalar()
        {
            var db = new DBExtend(__DbContext);

            return(db.QueryScalar(this));
        }