Hi,
try this.
HtmlAnchor Link = (HtmlAnchor)lDgModel.FindControl("Link");
string Link1 = Link.Href;
Hope it helps you.
EDIT
foreach (GridViewRow fvr in lDgModel.Rows)
{
HtmlAnchor Link = (HtmlAnchor)lDgModel.FindControl("fvr");
string Link1 = Link.Href;
}