Пример #1
0
        /// <summary>
        /// 判断是否存在
        /// </summary>
        /// <param name="strSql"></param>
        /// <returns></returns>
        public static bool Exists(string strSql)
        {
            DataTable dt = OracleDBHelper.ExecuteDataTable(strSql, null, DataBaseType.DefaultDB);

            int cmdresult = 0;

            if ((Object.Equals(dt, null)) || (Object.Equals(dt, System.DBNull.Value)))
            {
                cmdresult = 0;
            }
            else
            {
                cmdresult = dt.Rows.Count;
            }
            if (cmdresult == 0)
            {
                return(false);
            }
            else
            {
                return(true);
            }
        }
Пример #2
0
 /// <summary>
 /// 功能:对传入的SQL执行查询操作,返回DataTable
 /// 日期:2013-05-15
 /// </summary>
 /// <param name="sql">执行的SQL</param>
 /// <returns></returns>
 public static DataTable ExecuteDataTable(string sql)
 {
     return(OracleDBHelper.ExecuteDataTable(sql, null, DataBaseType.DefaultDB));
 }
Пример #3
0
 /// <summary>
 /// 功能:对传入的SQL执行查询操作,返回DataTable
 /// 日期:2013-05-15
 /// </summary>
 /// <param name="sql">执行的SQL</param>
 /// <param name="parList">参数列表</param>
 /// <returns></returns>
 public static DataTable ExecuteDataTable(string sql, List <ParameterEntity> parList)
 {
     return(OracleDBHelper.ExecuteDataTable(sql, parList, DataBaseType.DefaultDB));
 }