public static async Task <string> InsertRecordToTableStrAsync(CloudTable table, string time, string nickname, string value)
        {
            MessageTable message = new MessageTable();

            message.Time           = time;
            message.AuthorNickName = nickname;
            message.Body           = value;

            message.AssignPartitionKey();
            message.AssignRowKey();

            Message mess = await RetrieveRecordAsync(table, time, nickname);

            if (mess == null)
            {
                TableOperation tableOperation = TableOperation.Insert(message);
                await table.ExecuteAsync(tableOperation);

                return("Record inserted");
            }
            else
            {
                return("Record exists");
            }
        }