<%@ Page Language="C#" Async="true"%>

private async Task GetMyPosts()
{
    var posts = await ServiceFactory.BlogPostSevice.GetBlogPostsPagedAsync();
    rpPosts.DataSource = posts;
    rpPosts.DataBind();
}

protected void Page_Load(object sender, EventArgs e)
{
    this.Page.RegisterAsyncTask(new PageAsyncTask(GetMyPosts));
}