public void UpdateID(string postid)
{
Debug.Assert(ProductId != 0);
using (var repository = new TradelrRepository())
{
var t = repository.GetProduct(ProductId).tumblrPosts;
if (t == null)
{
t = new tumblrPost();
repository.AddTumblrPost(t);
}
t.productid = ProductId;
t.postid = postid;
repository.Save();
}
}