public ActionResult CryptoExchange(int?id, FormCollection form)
{
string fba = form["fba"];
string fbb = form["fbb"];
string fbc = form["fbc"];
var price = MatchBxCommon.CoinConverter(fba, fbc, Convert.ToDecimal(fbb));
ViewBag.fba = fba;
ViewBag.fbb = fbb;
ViewBag.fbc = fbc;
ViewBag.fbd = price;
var Coins = MatchBxCommon.GetOnlyUsefullCoins();
return(View("CryptoExchange", Coins));
}