static public EntityRowProxy <TEntity> GenProxy <TEntity>(this EntityRow dataRow, IEntityTableSource entityTableSource = null)
{
string proxyKey = typeof(EntityRowProxy <TEntity>).FullName;
EntityRowProxy <TEntity> proxy;
if (!dataRow.TryGetCache(proxyKey, out proxy))
{
proxy = new EntityRowProxy <TEntity>(dataRow, entityTableSource);
dataRow.AddCache(proxyKey, proxy);
}
return(proxy);
}