System.Data.Common.DbCommand.ExecuteScalarAsync C# (CSharp) 메소드

        public Task<object> ExecuteScalarAsync() =>
            ExecuteScalarAsync(CancellationToken.None);

        internal async Task <object> ExecuteScalarHelperAsync(SqlCommand cmd)
        {
            DoPreExecute(cmd);
            object r = await cmd.ExecuteScalarAsync().ConfigureAwait(false);

            OnExecutedCommand(cmd);
            return(r);
        }