Upload a file to Blob

var credentials = new StorageCredentials("deldysoft",
                                        "YOUR PRIMARY KEY FROM. GET IT FROM THE MANGEMENT PORTAL");
var client = new CloudBlobClient(new Uri("http://deldysoft.blob.core.windows.net/"), credentials);

// Retrieve a reference to a container. (You need to create one using the mangement portal, or call container.CreateIfNotExists())
var container = client.GetContainerReference("deldydk");

// Retrieve reference to a blob named "myfile.gif".
var blockBlob = container.GetBlockBlobReference("myfile.gif");

// Create or overwrite the "myblob" blob with contents from a local file.
using (var fileStream = System.IO.File.OpenRead(@"C:\\myfile.gif"))
{
  blockBlob.UploadFromStream(fileStream);
}