Firebase Read Operation

public async Task<List<MarketEntry>> ViewAllMarketRecord()
		{
			return (await createClient.GetClient().Child("Tbl_Marketing").OnceAsync<MarketEntry>())
				.Select(item => new MarketEntry
				{
					CustomerName = item.Object.CustomerName,
					CustomerEmail = item.Object.CustomerEmail,
					CustomerMobileNo = item.Object.CustomerMobileNo,
					MarketingType = item.Object.MarketingType,
					CreatedBy = item.Object.CreatedBy,
					Facebook = item.Object.Facebook,
					Whatsapp = item.Object.Whatsapp,
					EntryDate = item.Object.EntryDate
				}).ToList();
		}


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public async Task<MarketEntry> ViewMarketRecordByUser(string user)
		{
			var marketer = await ViewAllMarketRecord();
			await createClient.GetClient().Child("Tbl_Marketing").OnceAsync<MarketEntry>();
			return marketer.Where(m => m.CreatedBy.Equals(user)).FirstOrDefault();
		}
		
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