/// <summary>
        /// 增加一条记录,返回新的ID号。需要有一个单一主键,并且开启有标识符属性(异步方式)
        /// </summary>
        /// <param name="entity">实体模型</param>
        /// <returns></returns>
        public virtual async Task <int> InsertAsync(ComplaintsTypeEntity entity)
        {
            if (entity.CID <= 0)
            {
                entity.CID = GetNewID();
            }
            Dictionary <string, object> dict = new Dictionary <string, object>();

            GetParameters(entity, dict);

            string strSQL = "insert into ComplaintsType (" +
                            "CID," +
                            "CDType," +
                            "CName) " +
                            "values(" +
                            "@CID," +
                            "@CDType," +
                            "@CName)";

            if (await Task.Run(() => _DB.ExeSQLResult(strSQL, dict)))
            {
                return(DataConverter.CLng(entity.CID));
            }
            return(-1);
        }
        /// <summary>
        /// 通过数据读取器生成实体类
        /// </summary>
        /// <param name="rdr"></param>
        /// <returns></returns>
        private static ComplaintsTypeEntity GetEntityFromrdr(NullableDataReader rdr)
        {
            ComplaintsTypeEntity info = new ComplaintsTypeEntity();

            info.CID    = rdr.GetInt32("CID");
            info.CDType = rdr.GetInt32("CDType");
            info.CName  = rdr.GetString("CName");
            return(info);
        }
        /// <summary>
        /// 获取实体(异步方式)
        /// </summary>
        /// <param name="strWhere">参数化查询条件(例如: and Name = @Name )</param>
        /// <param name="dict">参数的名/值集合</param>
        /// <returns></returns>
        public virtual async Task <ComplaintsTypeEntity> GetEntityAsync(string strWhere, Dictionary <string, object> dict = null)
        {
            ComplaintsTypeEntity obj = null;
            string strSQL            = "select top 1 * from ComplaintsType where 1=1 " + strWhere;

            using (NullableDataReader reader = await Task.Run(() => _DB.GetDataReader(strSQL, dict)))
            {
                if (reader.Read())
                {
                    obj = GetEntityFromrdr(reader);
                }
            }
            return(obj);
        }
        /// <summary>
        /// 更新一条记录(异步方式)
        /// </summary>
        /// <param name="entity">实体模型</param>
        /// <returns></returns>
        public virtual async Task <bool> UpdateAsync(ComplaintsTypeEntity entity)
        {
            Dictionary <string, object> dict = new Dictionary <string, object>();

            GetParameters(entity, dict);
            string strSQL = "Update ComplaintsType SET " +
                            "CDType = @CDType," +
                            "CName = @CName" +
                            " WHERE " +

                            "CID = @CID";

            return(await Task.Run(() => _DB.ExeSQLResult(strSQL, dict)));
        }
        /// <summary>
        /// 更新一条记录
        /// </summary>
        /// <param name="entity">实体模型</param>
        /// <returns></returns>
        public virtual bool Update(ComplaintsTypeEntity entity)
        {
            Dictionary <string, object> dict = new Dictionary <string, object>();

            GetParameters(entity, dict);
            string strSQL = "Update ComplaintsType SET " +
                            "CDType = @CDType," +
                            "CName = @CName" +
                            " WHERE " +

                            "CID = @CID";

            return(_DB.ExeSQLResult(strSQL, dict));
        }
        /// <summary>
        /// 增加一条记录
        /// </summary>
        /// <param name="entity">实体模型</param>
        /// <returns></returns>
        public virtual bool Add(ComplaintsTypeEntity entity)
        {
            if (entity.CID <= 0)
            {
                entity.CID = GetNewID();
            }
            Dictionary <string, object> dict = new Dictionary <string, object>();

            GetParameters(entity, dict);

            string strSQL = "insert into ComplaintsType (" +
                            "CID," +
                            "CDType," +
                            "CName) " +
                            "values(" +
                            "@CID," +
                            "@CDType," +
                            "@CName)";

            return(_DB.ExeSQLResult(strSQL, dict));
        }
 /// <summary>
 /// 把实体类转换成键/值对集合
 /// </summary>
 /// <param name="entity"></param>
 /// <param name="dict"></param>
 private static void GetParameters(ComplaintsTypeEntity entity, Dictionary <string, object> dict)
 {
     dict.Add("CID", entity.CID);
     dict.Add("CDType", entity.CDType);
     dict.Add("CName", entity.CName);
 }
 /// <summary>
 /// 增加或更新一条记录(异步方式)
 /// </summary>
 /// <param name="entity">实体模型</param>
 /// <param name="IsSave">是否增加</param>
 /// <returns></returns>
 public virtual async Task <bool> AddOrUpdateAsync(ComplaintsTypeEntity entity, bool IsSave)
 {
     return(IsSave ? await AddAsync(entity) : await UpdateAsync(entity));
 }
 /// <summary>
 /// 增加或更新一条记录
 /// </summary>
 /// <param name="entity">实体模型</param>
 /// <param name="IsSave">是否增加</param>
 /// <returns></returns>
 public virtual bool AddOrUpdate(ComplaintsTypeEntity entity, bool IsSave)
 {
     return(IsSave ? Add(entity) : Update(entity));
 }