GenericRssChannel GRCAggre = GenericRssChannel.LoadChannel
("http://groups.google.co.in/group/microsoft.public.crm/feed/rss_v2_0_msgs.xml");

string ForumFeed_Source = ds.Tables["GRC"].Rows[i]["GrcRssUrl"].ToString();
GenericRssChannel GRCAggre = GenericRssChannel.LoadChannel(ForumFeed_Source);