Sorry I didn't realise you were not submitting the form but rendering a link to click. You'll need to do something like this
column.For(m => String.Format("<a class='btn btn-primary' href='/Country/LanguageEdit/{0}?LanguageId={1}'>Edit</a> <a href='#deleteConfirmModal' role='button' data-toggle='modal' class='btn btn-danger deleteBtn'><input type='hidden' id='countryId' value='{0}'/>Remove</a>", m.CountryId, m.LanguageId)).Named("Actions").Encode(false);
Then change your controller action
public ActionResult LanguageEdit(int id, int? languageId)
{
"id" will be populated via routing, and languageId populated via standard querystring values