//Use SAS URL        
string accountsas = "https://<the app gateway domain name>/?sv=2022-11-02&ss=bfqt&srt=sco&sp=rwdlacupitfx&se=2025-02-28T13:55:27Z&st=2025-02-28T05:55:27Z&spr=https&sig=PxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxD";
Uri sasuri = new Uri(accountsas);
// Create a BlobServiceClient object which will be used to create a container client
BlobServiceClient blobServiceClient = new BlobServiceClient(sasuri);

using Azure;
using Azure.Identity;
using Azure.Storage.Blobs;
using Azure.Storage.Blobs.Models;
using System;
using System.IO;
using System.Text;
using System.Threading.Tasks;
namespace BlobQuickstartV12
{
    class Program
    {
        static async Task Main(string[] args)
        {
            Console.WriteLine("Hello World!");
            Console.WriteLine("Azure Blob storage v12 - .NET quickstart sample\n");
            // Retrieve the connection string for use with the application. The storage
            // connection string is stored in an environment variable on the machine
            // running the application called AZURE_STORAGE_CONNECTION_STRING. If the
            // environment variable is created after the application is launched in a
            // console or with Visual Studio, the shell or application needs to be closed
            // and reloaded to take the environment variable into account.
            
            //string connectionString = "Connection String";
 
            string accountsas = " SAS URL ";
 
            Uri sasuri = new Uri(accountsas);
            // Create a BlobServiceClient object which will be used to create a container client
            BlobServiceClient blobServiceClient = new BlobServiceClient(sasuri);
            //Create a unique name for the container
            string containerName = "lbllmpackage";// "quickstartblobs" + Guid.NewGuid().ToString();
            // Create the container and return a container client object
            BlobContainerClient containerClient = blobServiceClient.GetBlobContainerClient(containerName);
            Console.WriteLine("Listing blobs...");
            // List all blobs in the container
            await foreach (BlobItem blobItem in containerClient.GetBlobsAsync())
            {
                try
                {
                    Console.WriteLine("\t" + blobItem.Name);
                    BlobClient bclient = containerClient.GetBlobClient(blobItem.Name);
                    await bclient.CreateSnapshotAsync();
                }
                catch (Exception ex)
                {
                    Console.WriteLine(ex.Message);
                }
            }
 
            var prp = containerClient.GetProperties();
            // Create a local file in the ./data/ directory for uploading and downloading
            string localPath = @".\data\";
            string fileName = "quickstart" + Guid.NewGuid().ToString() + ".txt";
            string localFilePath = Path.Combine(localPath, fileName);
            // Write text to the file
            await File.WriteAllTextAsync(localFilePath, "Hello, World! the message from .net");
            // Get a reference to a blob
            BlobClient blobClient = containerClient.GetBlobClient("/test/" + fileName);
            Console.WriteLine("Uploading to Blob storage as blob:\n\t {0}\n", blobClient.Uri);
            // Open the file and upload its data
            using FileStream uploadFileStream = File.OpenRead(localFilePath);
            await blobClient.UploadAsync(uploadFileStream, true);
            uploadFileStream.Close();
            Console.WriteLine("Listing blobs...");
            // List all blobs in the container
            await foreach (BlobItem blobItem in containerClient.GetBlobsAsync())
            {
                Console.WriteLine("\t" + blobItem.Name);
            }
            // Download the blob to a local file
            // Append the string "DOWNLOADED" before the .txt extension 
            // so you can compare the files in the data directory
            string downloadFilePath = localFilePath.Replace(".txt", "DOWNLOADED.txt");
            Console.WriteLine("\nDownloading blob to\n\t{0}\n", downloadFilePath);
            // Download the blob's contents and save it to a file
            BlobDownloadInfo download = await blobClient.DownloadAsync();
            using (FileStream downloadFileStream = File.OpenWrite(downloadFilePath))
            {
                await download.Content.CopyToAsync(downloadFileStream);
                downloadFileStream.Close();
            }
        }
    }
}