Code to delete old storage tables from Azure

DeleteOldTables.cs

using System;
using Microsoft.WindowsAzure.Storage;
using Microsoft.WindowsAzure.Storage.Table;
using System.Threading.Tasks;
using Microsoft.Extensions.Configuration;

/// <summary>
/// delete old metrics table both PT1H and PT1M
/// </summary>
/// <param name="tablepPrefix">WADMetricsPT1HP10DV2S and WADMetricsPT1MP10DV2S</param>
/// <returns></returns>
private async Task DeleteOldTables(string tablepPrefix)
{
	try
	{
		string connectionString = ConfigurationManager.ConnectionStrings["StorageAccountConnectionString"].ConnectionString;
		CloudStorageAccount cloudStorageAccount = CloudStorageAccount.Parse(connectionString);
		CloudTableClient cloudTableClient = cloudStorageAccount.CreateCloudTableClient();

		TableContinuationToken token = null;
		do
		{
			string currentYear = DateTime.Now.ToString("yyyy");
			int currentMonth = Convert.ToInt32(DateTime.Now.ToString("MM"));
			for (int i = 1; i < currentMonth - 1; i++)
			{
				string currentTablePrefix = tablepPrefix + currentYear + i.ToString("d2"); //convert single digit month to two digit
				var allTablesResult = await cloudTableClient.ListTablesSegmentedAsync(currentTablePrefix, token);
				token = allTablesResult.ContinuationToken;

				Console.WriteLine("Fetched all tables to be deleted, count: " + allTablesResult.Results.Count);
				
				foreach (CloudTable table in allTablesResult.Results)
				{
					Console.WriteLine("Deleting table: " + table.Name);
					await table.DeleteIfExistsAsync();
				}
			}
		} while (token != null);
		Console.WriteLine("Old Tables Deleted");
	}
	catch (Exception ex)
	{
		Console.WriteLine("Exception occured while deleting tables " + ex.Message);
	}
}