private static string GetReturnUrlQueryParameterFromUrl(string context)
{
var queryNameValueCollection = HttpUtility.ParseQueryString(context);
var returnUrl = queryNameValueCollection["wctx"];
if (!string.IsNullOrEmpty(returnUrl))
{
returnUrl = returnUrl.Replace("ru=", "");
if (!returnUrl.EndsWith("/"))
returnUrl += "/";
}
return returnUrl;
}