Convert List to sql parameters

Question

I am doing one project in MVC using SQL helper class.when i passes formcollection to stored procedure through jquery then there is an error that cannot convert generic list to sql parameters please help me.

my method is as follows,

 

[HttpPost] 

public ActionResult SaveNotification(FormCollection formdata)

{

List sqlParameters = new List();

sqlParameters.Add(new SqlParameter("@NotificationID", formdata["NotificationID"]));

sqlParameters.Add(new SqlParameter("@ToDate", formdata["ToDate"]));

sqlParameters.Add(new SqlParameter("@FromDate", formdata["FromDate"]));

return PartialView("~/Views/Notifications/Index.cshtml", (new DBHelper().ExecuteNonQuery("SPName", sqlParameters)));

}