protected override void Render(HtmlTextWriter writer)
{
int id;
bool hasid = int.TryParse(NodeId, out id);
int? nodeId = hasid ? id : (int?)null;
string url;
bool imageFound = ImageUrl.TryGetImageUrl(Src, Field, Provider, Parameters, nodeId, out url);
Src = url;
if (imageFound)
{
base.Render(writer);
}
}