blob.cs

        public async Task<string> Upload(IFormFile files)
        {
            string systemFileName = GenerateFileName(files.FileName);
            string blobstorageconnection = _configuration.GetValue<string>("BlobConnectionString");

            CloudStorageAccount cloudStorageAccount = CloudStorageAccount.Parse(blobstorageconnection);

            CloudBlobClient blobClient = cloudStorageAccount.CreateCloudBlobClient();

            CloudBlobContainer container = blobClient.GetContainerReference(_configuration.GetValue<string>("BlobContainerName"));

            CloudBlockBlob blockBlob = container.GetBlockBlobReference(systemFileName);

            blockBlob.Properties.ContentType = "image/jpg";
            await using (var data = files.OpenReadStream())
            {
                await blockBlob.UploadFromStreamAsync(data);
            }
            var fileUrl = blockBlob.Uri.AbsoluteUri;
            return fileUrl;
        }

        // Delete the image
        public async Task Delete(string? FileName)
        {
            FileName = Path.GetFileName(FileName);
            BlobContainerClient client = new BlobContainerClient(_configuration.GetValue<string>("BlobConnectionString"), _configuration.GetValue<string>("BlobContainerName"));

            BlobClient file = client.GetBlobClient(FileName);
            await file.DeleteIfExistsAsync();
        }