C# OleDb判断ACCESS中是否存在表

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代码如下

        /// <summary>
        /// 公有数据库连接对象
        /// </summary>
        public OleDbConnection UseConn
        {
            get { return useConn; }
            set { useConn = value; }
        }

        /// <summary>
        /// 指定路径初始化数据库连接对象
        /// </summary>
        /// <param name="sqlPath">数据库路径</param>
        /// <param name="sqlName">数据库名称</param>
        public AccessSQL(string sqlPath, string sqlName)
        {
            useConn = new OleDbConnection(@"Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + sqlPath + sqlName + ".mdb");
            OpenSQL();
        }

        /// <summary>
        /// 打开数据库连接
        /// </summary>
        /// <returns>正常打开返回true，异常返回false</returns>
        public bool OpenSQL()
        {
            try
            {
                if (useConn.State == System.Data.ConnectionState.Closed)
                {
                    useConn.Open();
                }
                return true;
            }
            catch (Exception ex)
            {
                MessageBox.Show("连接数据库时发生异常：\r\n\r\n" + ex.Message);
                return false;
            }
        }

        /// <summary>
        /// 判断某个表是否存在
        /// </summary>
        /// <param name="tableName">表名</param>
        /// <returns>存在返回true，不存在返回false</returns>
        public bool IsExitsTables(string tableName)
        {
            DataTable schemaTable = UseConn.GetOleDbSchemaTable(OleDbSchemaGuid.Tables, new object[] { null, null, null, "TABLE" });
            if (schemaTable == null)
            {
                return false;
            }
            else
            {
                for (int r = 0; r < schemaTable.Rows.Count; r++)
                {
                    string colName = schemaTable.Rows[r]["TABLE_NAME"].ToString();
                    if (colName == tableName)
                    {
                        return true;
                    }
                }
                return false;
            }
        }