private void UpdateBlob(string blobName, HttpPostedFileBase httpPostedFile)
 {
     blobDataSave = new BlobHelper(storageAccountConnectionString);
     blobDataSave.UpdateBlob(blobName, httpPostedFile);
     
 }
 internal void SaveBlob(string blobName, HttpPostedFileBase httpPostedFile)
 {
     blobDataSave = new BlobHelper(storageAccountConnectionString);
     blobDataSave.Save(blobName, httpPostedFile);
    
 }